Results for 'Entangled systems'

976 found
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  1.  53
    Prequantum Classical Statistical Field Theory: Schrödinger Dynamics of Entangled Systems as a Classical Stochastic Process. [REVIEW]Andrei Khrennikov - 2011 - Foundations of Physics 41 (3):317-329.
    The idea that quantum randomness can be reduced to randomness of classical fields (fluctuating at time and space scales which are essentially finer than scales approachable in modern quantum experiments) is rather old. Various models have been proposed, e.g., stochastic electrodynamics or the semiclassical model. Recently a new model, so called prequantum classical statistical field theory (PCSFT), was developed. By this model a “quantum system” is just a label for (so to say “prequantum”) classical random field. Quantum averages can be (...)
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  2. Entanglement and Quantum Superposition of a Macroscopic-Macroscopic system.Francesco De Martini - 2011 - Foundations of Physics 41 (3):363-370.
    Two quantum Macro-states and their Macroscopic Quantum Superpositions (MQS) localized in two far apart, space-like separated sites can be non-locally correlated by any entangled couple of single-particles having interacted in the past. This novel “Macro-Macro” paradigm is investigated on the basis of a recent study on an entangled Micro-Macro system involving N≈105 particles. Crucial experimental issues as the violation of Bell’s inequalities by the Macro-Macro system are considered.
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  3. Entanglement Between Degrees of Freedom in a Single-Particle System Revealed in Neutron Interferometry.Yuji Hasegawa - 2012 - Foundations of Physics 42 (1):29-45.
    Initially Einstein, Podolsky, and Rosen (EPR) and later Bell shed light on the non-local properties exhibited by subsystems in quantum mechanics. Separately, Kochen and Specker analyzed sets of measurements of compatible observables and found that a consistent coexistence of these results is impossible, i.e., quantum indefiniteness of measurement results. As a consequence, quantum contextuality, a more general concept compared to non-locality, leads to striking phenomena predicted by quantum theory. Here, we report neutron interferometric experiments which investigate entangled states in (...)
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  4. Entanglement and open systems in algebraic quantum field theory.with Hans Halvorson - 2004 - In Jeremy Butterfield & Hans Halvorson, Quantum Entanglements: Selected Papers. New York: Clarendon Press.
     
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  5. Quantum Entanglement in Relativistic Three-Particle Systems.P. Schust, M. Mattes & M. Sorg - 2004 - Foundations of Physics 34 (1):99-167.
    The relativistic three-particle systems are studied within the framework of Relativistic Schrödinger Theory, with emphasis on the determination of the energy functional for the stationary bound states. The phenomenon of entanglement shows up here in form of the exchange energy which is a significant part of the relativistic field energy. The electromagnetic interactions become unified with the exchange interactions into a relativistic U gauge theory, which has the Hartree–Fock equations as its non-relativistic limit. This yields a general framework for (...)
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  6. Entanglement and Open Systems in Algebraic Quantum Field Theory.Rob Clifton & Hans Halvorson - 2001 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 32 (1):1-31.
    Entanglement has long been the subject of discussion by philosophers of quantum theory, and has recently come to play an essential role for physicists in their development of quantum information theory. In this paper we show how the formalism of algebraic quantum field theory (AQFT) provides a rigorous framework within which to analyse entanglement in the context of a fully relativistic formulation of quantum theory. What emerges from the analysis are new practical and theoretical limitations on an experimenter's ability to (...)
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  7.  7
    Proceedings of Relating Systems Thinking and Design. RSD12: Entangled in Emergence (Washington, DC, October 6–20, 2023).Cheryl May, Andrzej Klimczuk & Angelsa Saby (eds.) - 2023 - Oslo: Systemic Design Association.
    October 6–20, 2023. Georgetown University, Washington, DC, hosted RSD12—Emerging from Entanglement. In addition to an online programme of keynote speakers, panels, workshops, and a culminating in-person gathering in DC, RSD12 featured 12 in-person Hubs events, each lasting 1–3 days, and livestreamed sessions to the online platform. The 12 regional hubs and topical areas were: Bogota, Colombia: Design Research; Pittsburgh, United States: Transgenerational Collaboration; Kingston, United Kingdom: Cyber and Digital; Ahmedabad, India: Hopeful Futures; Monterrey, Mexico: Participatory Ecosystems; kihcihkaw askî: Indigenous Knowledge (...)
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  8.  16
    Entanglements: a system of philosophy.Crispin Sartwell - 2017 - Albany, NY: State University of New York Press.
    First philosophy: reality, truth, and knowledge -- The universe in brief -- Ontology -- Theory of truth -- Epistemology -- Axiology: goodness, beauty, and liberty -- Values as situations -- Ethics -- Aesthetics -- Political philosophy.
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  9. The Entanglement Structure of Quantum Field Systems.Vincent Lam - 2013 - International Studies in the Philosophy of Science 27 (1):59 - 72.
    This article discusses the peculiar features of quantum entanglement and quantum non-locality within the algebraic approach to relativistic quantum field theory (RQFT). The debate on the ontology of RQFT is considered in the light of these well-known but little discussed features. In particular, this article examines the ontic structural realist understanding of quantum entanglement and quantum non-locality and its contribution to this debate.
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  10. Mind the Gap: Autonomous Systems, the Responsibility Gap, and Moral Entanglement.Trystan S. Goetze - 2022 - Proceedings of the 2022 ACM Conference on Fairness, Accountability, and Transparency (FAccT ’22).
    When a computer system causes harm, who is responsible? This question has renewed significance given the proliferation of autonomous systems enabled by modern artificial intelligence techniques. At the root of this problem is a philosophical difficulty known in the literature as the responsibility gap. That is to say, because of the causal distance between the designers of autonomous systems and the eventual outcomes of those systems, the dilution of agency within the large and complex teams that design (...)
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  11. A taxonomy for the mereology of entangled quantum systems.Paul M. Näger & Niko Strobach - manuscript
    The emerging field of quantum mereology considers part-whole relations in quantum systems. Entangled quantum systems pose a peculiar problem in the field, since their total states are not reducible to that of their parts. While there exist several established proposals for modelling entangled systems, like monistic holism or relational holism, there is considerable unclarity, which further positions are available. Using the lambda operator and plural logic as formal tools, we review and develop conceivable models and (...)
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  12. Aspects of Entanglement in Quantum Many-Body Systems.John W. Clark, Hessam Habibian, Aikaterini D. Mandilara & Manfred L. Ristig - 2010 - Foundations of Physics 40 (9-10):1200-1220.
    Knowledge of the entanglement properties of the wave functions commonly used to describe quantum many-particle systems can enhance our understanding of their correlation structure and provide new insights into quantum phase transitions that are observed experimentally or predicted theoretically. To illustrate this theme, we first examine the bipartite entanglement contained in the wave functions generated by microscopic many-body theory for the transverse Ising model, a system of Pauli spins on a lattice that exhibits an order-disorder magnetic quantum phase transition (...)
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  13. Quantum Life: Interaction, Entanglement, and Separation.Eric Winsberg - 2003 - Journal of Philosophy 100 (2):80 - 97.
    Violations of the Bell inequalities in EPR-Bohm type experiments have set the literature on the metaphysics of microscopic systems to flirting with some sort of metaphysical holism regarding spatially separated, entangled systems. The rationale for this behavior comes in two parts. The first part relies on the proof, due to Jon Jarrett [2] that the experimentally observed violations of the Bell inequalities entail violations of the conjunction of two probabilistic constraints. Jarrett called these two constraints locality and (...)
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  14.  28
    Entanglement generation and evolution in open quantum systems.Aurelian Isar - 2009 - In Krzysztof Stefanski, Open Systems and Information Dynamics. World scientific publishing company. pp. 16--02.
  15. Quantum Entanglement, Bohmian Mechanics, and Humean Supervenience.Elizabeth Miller - 2014 - Australasian Journal of Philosophy 92 (3):567-583.
    David Lewis is a natural target for those who believe that findings in quantum physics threaten the tenability of traditional metaphysical reductionism. Such philosophers point to allegedly holistic entities they take both to be the subjects of some claims of quantum mechanics and to be incompatible with Lewisian metaphysics. According to one popular argument, the non-separability argument from quantum entanglement, any realist interpretation of quantum theory is straightforwardly inconsistent with the reductive conviction that the complete physical state of the world (...)
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  16. Empirical State Determination of Entangled Two-Level Systems and Its Relation to Information Theory.Y. Ben-Aryeh, A. Mann & B. C. Sanders - 1999 - Foundations of Physics 29 (12):1963-1975.
    Theoretical methods for empirical state determination of entangled two-level systems are analyzed in relation to information theory. We show that hidden variable theories would lead to a Shannon index of correlation between the entangled subsystems which is larger than that predicted by quantum mechanics. Canonical representations which have maximal correlations are treated by the use of Schmidt and Hilbert-Schmidt decomposition of the entangled states, including especially the Bohm singlet state and the GHZ entangled states. We (...)
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  17. Untangling Entanglement.Peter M. Ainsworth - 2007 - Foundations of Physics 37 (1):144-158.
    In this paper recent work that attempts to link quantum entanglement to (i) thermodynamic energy, (ii) thermodynamic entropy and (iii) information is reviewed. With respect to the first two links the paper is essentially expository. The final link is elaborated on: it is argued that the value of the entanglement of a bipartite system in a pure state is equal to the value of the irreducible uncertainty (i.e. irreducibly missing information) about its subsystems and that this suggests that entanglement gives (...)
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  18.  34
    Quantum Entanglement: An Analysis via the Orthogonality Relation.Shengyang Zhong - 2023 - Foundations of Physics 53 (4):1-49.
    In the literature there has been evidence that a kind of relational structure called a quantum Kripke frame captures the essential characteristics of the orthogonality relation between pure states of quantum systems, and thus is a good qualitative mathematical model of quantum systems. This paper adds another piece of evidence by providing a tensor-product construction of two finite-dimensional quantum Kripke frames. We prove that this construction is exactly the qualitative counterpart of the tensor-product construction of two finite-dimensional Hilbert (...)
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  19. Bipartite Entanglement Induced by a Common Background (Zero-Point) Radiation Field.A. Valdés-Hernández, L. de la Peña & A. M. Cetto - 2011 - Foundations of Physics 41 (5):843-862.
    This paper deals with an (otherwise classical) two-(non-interacting) particle system immersed in a common stochastic zero-point radiation field. The treatment is an extension of the one-particle case for which it has been shown that the quantum properties of the particle emerge from its interaction with the background field under stationary and ergodic conditions. In the present case we show that non-classical correlations—describable only in terms of entanglement—arise between the (nearby) particles whenever both of them resonate to a common frequency of (...)
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  20.  57
    Entanglement Sharing in Real-Vector-Space Quantum Theory.William K. Wootters - 2012 - Foundations of Physics 42 (1):19-28.
    The limitation on the sharing of entanglement is a basic feature of quantum theory. For example, if two qubits are completely entangled with each other, neither of them can be at all entangled with any other object. In this paper we show, at least for a certain standard definition of entanglement, that this feature is lost when one replaces the usual complex vector space of quantum states with a real vector space. Moreover, the difference between the two theories (...)
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  21. What an Entangled Web We Weave: An Information-centric Approach to Time-evolving Socio-technical Systems.Markus Luczak-Roesch, Kieron O’Hara, Jesse David Dinneen & Ramine Tinati - 2018 - Minds and Machines 28 (4):709-733.
    A new layer of complexity, constituted of networks of information token recurrence, has been identified in socio-technical systems such as the Wikipedia online community and the Zooniverse citizen science platform. The identification of this complexity reveals that our current understanding of the actual structure of those systems, and consequently the structure of the entire World Wide Web, is incomplete, which raises novel questions for data science research but also from the perspective of social epistemology. Here we establish the (...)
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  22.  76
    Entanglement, Complexity, and Causal Asymmetry in Quantum Theories.Porter Williams - 2022 - Foundations of Physics 52 (2):1-38.
    It is often claimed that one cannot locate a notion of causation in fundamental physical theories. The reason most commonly given is that the dynamics of those theories do not support any distinction between the past and the future, and this vitiates any attempt to locate a notion of causal asymmetry—and thus of causation—in fundamental physical theories. I argue that this is incorrect: the ubiquitous generation of entanglement between quantum systems grounds a relevant asymmetry in the dynamical evolution of (...)
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  23. Quantum entanglement: a hylomorphic account.Matteo Morganti - 2019 - Synthese 198 (Suppl 11):2773-2793.
    In this paper, it is argued that Aristotelian hylomorphism can supply a useful and informative account of composite entities as these are described by physical theory. In particular, a hylomorphic account of quantum entangled systems is defined in detail, and compared to other alternatives currently on offer—in particular, ontic structural realism. In closing, it is suggested that the view of entanglement outlined here meshes well with a recently proposed ‘coherentist’ conception.
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  24.  70
    Can Entanglement Be Destroyed by Any Local Operation in Relativistic Quantum Field Theory?Giovanni Valente - 2010 - Philosophy of Science 77 (5):1029-1041.
    This article investigates the nature of entangled correlations in algebraic quantum field theory (AQFT). We define a notion of local disentanglement, expressing the possibility of destroying entanglement by means of local operations. Contrary to the case of ordinary quantum mechanics, local disentanglement cannot be achieved in general in relativistic quantum field theory. However, we show that if the split property holds, there exists a local operation that can destroy entanglement between spacelike-separated quantum field systems.
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  25.  9
    Vegan entanglements: dismantling racial and carceral veganism.Zane McNeill (ed.) - 2022 - Brooklyn, NY: Lantern Publishing & Media.
    Systems of oppression function by exploiting the most vulnerable amongst us. Where these oppressive systems overlap, the victims are pitted against one another. Slaughterhouses provide a particularly brutal example, wherein speciesism, capitalism, and carcerality intersect at the expense of their collective victims. In a dozen compelling essays from around the world, Vegan Entanglements: Dismantling Racial and Carceral Capitalism examines the ways human and animal bodies are controlled, manipulated, and sectioned within a system that commodifies labor, production, and individual (...)
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  26. Interpreting Quantum Entanglement: Steps towards Coherentist Quantum Mechanics.Matteo Morganti & Claudio Calosi - 2021 - British Journal for the Philosophy of Science 72 (3):865-891.
    We put forward a new, ‘coherentist’ account of quantum entanglement, according to which entangled systems are characterized by symmetric relations of ontological dependence among the component particles. We compare this coherentist viewpoint with the two most popular alternatives currently on offer—structuralism and holism—and argue that it is essentially different from, and preferable to, both. In the course of this article, we point out how coherentism might be extended beyond the case of entanglement and further articulated.
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  27.  92
    On quantum entanglement, counterfactuals, causality and dispositions.Tomasz Bigaj - 2020 - Synthese 197 (10):4161-4185.
    The existence of non-local correlations between outcomes of measurements in quantum entangled systems strongly suggests that we are dealing with some form of causation here. An assessment of this conjecture in the context of the collapse interpretation of quantum mechanics is the primary goal of this paper. Following the counterfactual approach to causation, I argue that the details of the underlying causal mechanism which could explain the non-local correlations in entangled states strongly depend on the adopted semantics (...)
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  28. Interpreting Quantum Entanglement: Steps towards Coherentist Quantum Mechanics.Claudio Calosi & Matteo Morganti - 2018 - British Journal for the Philosophy of Science:axy064.
    We put forward a new, ‘coherentist’ account of quantum entanglement, according to which entangled systems are characterized by symmetric relations of ontological dependence among the component particles. We compare this coherentist viewpoint with the two most popular alternatives currently on offer—structuralism and holism—and argue that it is essentially different from, and preferable to, both. In the course of this article, we point out how coherentism might be extended beyond the case of entanglement and further articulated.
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  29. The entanglement of trust and knowledge on the web.Judith Simon - 2010 - Ethics and Information Technology 12 (4):343-355.
    In this paper I use philosophical accounts on the relationship between trust and knowledge in science to apprehend this relationship on the Web. I argue that trust and knowledge are fundamentally entangled in our epistemic practices. Yet despite this fundamental entanglement, we do not trust blindly. Instead we make use of knowledge to rationally place or withdraw trust. We use knowledge about the sources of epistemic content as well as general background knowledge to assess epistemic claims. Hence, although we (...)
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  30. Unitarity as Preservation of Entropy and Entanglement in Quantum Systems.Florian Hulpke, Uffe V. Poulsen, Anna Sanpera, Aditi Sen, Ujjwal Sen & Maciej Lewenstein - 2006 - Foundations of Physics 36 (4):477-499.
    The logical structure of Quantum Mechanics (QM) and its relation to other fundamental principles of Nature has been for decades a subject of intensive research. In particular, the question whether the dynamical axiom of QM can be derived from other principles has been often considered. In this contribution, we show that unitary evolutions arise as a consequences of demanding preservation of entropy in the evolution of a single pure quantum system, and preservation of entanglement in the evolution of composite quantum (...)
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  31. The Mereological Problem of Entanglement.Paul M. Näger - manuscript
    It is well-known that the entangled quantum state of a composite object cannot be reduced to the states of its parts. This quantum holism provides a peculiar challenge to formulate an appropriate mereological model: When a system is in an entangled state, which objects are there on the micro and macro level, and which of the objects carries which properties? This paper chooses a modeling approach to answer these questions: It proceeds from a systematic overview of consistent mereological (...)
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  32.  52
    Entanglement, Symmetry Breaking and Collapse: Correspondences Between Quantum and Self-Organizing Dynamics.Francis Heylighen - 2021 - Foundations of Science 28 (1):85-107.
    Quantum phenomena are notoriously difficult to grasp. The present paper first reviews the most important quantum concepts in a non-technical manner: superposition, uncertainty, collapse of the wave function, entanglement and non-locality. It then tries to clarify these concepts by examining their analogues in complex, self-organizing systems. These include bifurcations, attractors, emergent constraints, order parameters and non-local correlations. They are illustrated with concrete examples that include Rayleigh–Bénard convection, social self-organization and Gestalt perception of ambiguous figures. In both cases, quantum and (...)
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  33.  19
    Entanglement, Information, and the Interpretation of Quantum Mechanics.Gregg Jaeger - 2009 - Heidelberg, Germany: Springer.
    Entanglement was initially thought by some to be an oddity restricted to the realm of thought experiments. However, Bell’s inequality delimiting local - behavior and the experimental demonstration of its violation more than 25 years ago made it entirely clear that non-local properties of pure quantum states are more than an intellectual curiosity. Entanglement and non-locality are now understood to figure prominently in the microphysical world, a realm into which technology is rapidly hurtling. Information theory is also increasingly recognized by (...)
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  34. Entanglement and Non-Locality: EPR, Bell and the consequences.Paul M. Näger & Manfred Stöckler - 2018 - In Cord Friebe, Meinard Kuhlmann, Holger Lyre, Paul M. Näger, Oliver Passon & Manfred Stöckler, Philosophy of Quantum Physics. Cham: Springer International.
    Entangled states are a specific feature of quantum physics that neither have a counterpart in classical physics nor in the realm of our ordinary experiences. In this chapter we outline the debate about these particular states both historically and systematically. We delineate how the debate originated in an argument for the incompleteness of quantum mechanics by Einstein, Podolsky and Rosen, and we show why, on the one hand, the argument is not considered convincing today, on the other hand, however, (...)
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  35. Quantum Entanglement Undermines Structural Realism.Seungbae Park - 2022 - Metaphysica 23 (1):1-13.
    Quantum entanglement poses a challenge to the traditional metaphysical view that an extrinsic property of an object is determined by its intrinsic properties. So structural realists might be tempted to cite quantum entanglement as evidence for structural realism. I argue, however, that quantum entanglement undermines structural realism. If we classify two entangled electrons as a single system, we can say that their spin properties are intrinsic properties of the system, and that we can have knowledge about these intrinsic properties. (...)
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  36.  74
    Love-in-idleness: Quantum entanglement dreamscapes.Clarissa Ribeiro & Milena Szafir - 2012 - Technoetic Arts 9 (2-3):293-300.
    Despite the entangled universe cannot be considered merely as an enormously complex system, as it is reactive to actions and observations, references on quantum entanglement in living systems may help find ways in which quantum effects can move from the microscopic to the macroscopic, in realms where the mind/brain behave as a quantum object and is sensitive to the dynamic state of the entire universe. Taking up vision from a synaesthetic perspective as a perfusion of senses, and putting (...)
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  37.  11
    Entangled Legalities Beyond the State.Nico Krisch (ed.) - 2021 - New York, NY: Cambridge University Press.
    Law is usually understood as an orderly, coherent system, but this volume shows that it is often better understood as an entangled web. Bringing together eminent contributors from law, political science, sociology, anthropology, history and political theory, it also suggests that entanglement has been characteristic of law for much of its history. The book shifts the focus to the ways in which actors create connections and distance between different legalities in domestic, transnational and international law. It examines a wide (...)
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  38.  32
    Entanglement measures for two-particle quantum histories.Danko D. Georgiev & Eliahu Cohen - 2022 - Physical Review A 106 (6):062437.
    Quantum entanglement is a key resource, which grants quantum systems the ability to accomplish tasks that are classically impossible. Here, we apply Feynman's sum-over-histories formalism to interacting bipartite quantum systems and introduce entanglement measures for bipartite quantum histories. Based on the Schmidt decomposition of the matrix comprised of the Feynman propagator complex coefficients, we prove that bipartite quantum histories are entangled if and only if the Schmidt rank of this matrix is larger than 1. The proposed approach (...)
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  39.  48
    Engineering Entanglement, Conceptualizing Quantum Information.Chen-Pang Yeang - 2011 - Annals of Science 68 (3):325-350.
    Summary Proposed by Einstein, Podolsky, and Rosen (EPR) in 1935, the entangled state has played a central part in exploring the foundation of quantum mechanics. At the end of the twentieth century, however, some physicists and mathematicians set aside the epistemological debates associated with EPR and turned it from a philosophical puzzle into practical resources for information processing. This paper examines the origin of what is known as quantum information. Scientists had considered making quantum computers and employing entanglement in (...)
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  40. What the Humean Should Say About Entanglement.Harjit Bhogal & Zee Perry - 2017 - Noûs 51 (1):74-94.
    Tim Maudlin has influentially argued that Humeanism about laws of nature stands in conflict with quantum mechanics. Specifically Humeanism implies the principle Separability: the complete physical state of a world is determined by the intrinsic physical state of each space-time point. Maudlin argues Separability is violated by the entangled states posited by QM. We argue that Maudlin only establishes that a stronger principle, which we call Strong Separability, is in tension with QM. Separability is not in tension with QM. (...)
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  41. Local Properties of Entanglement and Application to Collapse.Roland Omnès - 2013 - Foundations of Physics 43 (11):1339-1368.
    When a quantum system is macroscopic and becomes entangled with a microscopic one, entanglement is not immediately total, but gradual and local. A study of this locality is the starting point of the present work and shows unexpected and detailed properties in the generation and propagation of entanglement between a measuring apparatus and a microscopic measured system. Of special importance is the propagation of entanglement in nonlinear waves with a finite velocity. When applied to the entanglement between a macroscopic (...)
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  42.  26
    Politics of data reuse in machine learning systems: Theorizing reuse entanglements.Louise Amoore, Mikkel Flyverbom, Kristian Bondo Hansen & Nanna Bonde Thylstrup - 2022 - Big Data and Society 9 (2).
    Policy discussions and corporate strategies on machine learning are increasingly championing data reuse as a key element in digital transformations. These aspirations are often coupled with a focus on responsibility, ethics and transparency, as well as emergent forms of regulation that seek to set demands for corporate conduct and the protection of civic rights. And the Protective measures include methods of traceability and assessments of ‘good’ and ‘bad’ datasets and algorithms that are considered to be traceable, stable and contained. However, (...)
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  43.  12
    Entangled Assemblages.Wim Van Daele - 2024 - Foundations of Science 29 (3):741-758.
    Food and life are intimately entangled. To grasp the underlying complexity of this seemingly simple statement, this article first introduces the approach to food/eating as an assemblage enacted by various heterogeneous components, and further develops it by engaging with actor network theory and material semiotics. Thereafter the focus turns to ‘entanglement’, as inspired by quantum physics, to elicit the basic dynamics of the entanglement of food and more-than-human beings, conceived of as involving mutual and differential becomings within and among (...)
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  44. Sensitivity of entanglement measures in bipartite pure quantum states.Danko D. Georgiev & Stanley P. Gudder - 2022 - Modern Physics Letters B 36 (22):2250101.
    Entanglement measures quantify the amount of quantum entanglement that is contained in quantum states. Typically, different entanglement measures do not have to be partially ordered. The presence of a definite partial order between two entanglement measures for all quantum states, however, allows for meaningful conceptualization of sensitivity to entanglement, which will be greater for the entanglement measure that produces the larger numerical values. Here, we have investigated the partial order between the normalized versions of four entanglement measures based on Schmidt (...)
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  45. From Quantum Entanglement to Spatiotemporal Distance.Alyssa Ney - 2021 - In Christian Wüthrich, Baptiste Le Bihan & Nick Huggett, Philosophy Beyond Spacetime: Implications From Quantum Gravity. Oxford: Oxford University Press.
    Within the field of quantum gravity, there is an influential research program developing the connection between quantum entanglement and spatiotemporal distance. Quantum information theory gives us highly refined tools for quantifying quantum entanglement such as the entanglement entropy. Through a series of well-confirmed results, it has been shown how these facts about the entanglement entropy of component systems may be connected to facts about spatiotemporal distance. Physicists are seeing these results as yielding promising methods for better understanding the emergence (...)
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  46. Entanglement theory and the second law of thermodynamics.Martin Plenio - unknown
    Entangled quantum systems can be harnessed to transmit, store, and manipulate information in a more efficient and secure way than possible in the realm of classical physics. Given this resource character of entanglement, it is an important problem to characterize ways to manipulate it and meaningful approaches to its quantification. This is the objective of entanglement theory.
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  47. Entanglement as a Semantic Resource.Maria Luisa Dalla Chiara, Roberto Giuntini, Antonio Ledda, Roberto Leporini & Giuseppe Sergioli - 2010 - Foundations of Physics 40 (9-10):1494-1518.
    The characteristic holistic features of the quantum theoretic formalism and the intriguing notion of entanglement can be applied to a field that is far from microphysics: logical semantics. Quantum computational logics are new forms of quantum logic that have been suggested by the theory of quantum logical gates in quantum computation. In the standard semantics of these logics, sentences denote quantum information quantities: systems of qubits (quregisters) or, more generally, mixtures of quregisters (qumixes), while logical connectives are interpreted as (...)
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  48.  31
    Can the entanglement be considered a basic concept of quantum mechanics?Canio Noce, Lidia Truda & Alberto Trotta - 2022 - Science and Philosophy 10 (1):57-69.
    Recently, several experimental tests devoted to quantitatively establish complementarity relations in quantum systems have been reported. Starting from the results of fully quantum single-particle self-nterference experiments, we critically review the concept of entanglement, arguing that this quantity is a peculiar trait of composite quantum systems, and thus it can be looked as a basic concept of quantum mechanics.
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  49.  62
    Physical Entanglement in Permutation-Invariant Quantum Mechanics.Adam Caulton - unknown
    The purpose of this short article is to build on the work of Ghirardi, Marinatto and Weber and Ladyman, Linnebo and Bigaj, in supporting a redefinition of en- tanglement for “indistinguishable” systems, particularly fermions. According to the proposal, non-separability of the joint state is insufficient for entanglement. The re- definition is justified by its physical significance, as enshrined in three biconditionals whose analogues hold of “distinguishable” systems.
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  50.  35
    Entanglement of Observables: Quantum Conditional Probability Approach.Andrei Khrennikov & Irina Basieva - 2023 - Foundations of Physics 53 (5):1-22.
    This paper is devoted to clarification of the notion of entanglement through decoupling it from the tensor product structure and treating as a constraint posed by probabilistic dependence of quantum observable _A_ and _B_. In our framework, it is meaningless to speak about entanglement without pointing to the fixed observables _A_ and _B_, so this is _AB_-entanglement. Dependence of quantum observables is formalized as non-coincidence of conditional probabilities. Starting with this probabilistic definition, we achieve the Hilbert space characterization of the (...)
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