Results for 'quantum entanglement'

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  1. 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 (...)
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  2. Explanation, Emergence and Quantum-Entanglement.Andreas Hüttemann - 2005 - Philosophy of Science 72 (1):114-127.
    This paper tries to get a grip on two seemingly conflicting intuitions about reductionism in quantum mechanics. On the one hand it is received wisdom that quantum mechanics puts an end to ‘reductionism’. Quantum-entanglement is responsible for such features of quantum mechanics as holism, the failure of supervenience and emergence. While I agree with these claims I will argue that it is only part of the story. Quantum mechanics provides us with thorough-going reductionist explanations. (...)
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  3. The Concept of Complementarity and its Role in Quantum Entanglement and Generalized Entanglement.Thilo Hinterberger & Nikolaus Stillfried - 2013 - Axiomathes 23 (3):443-459.
    The term complementarity plays a central role in quantum physics, not least in various approaches to defining entanglement and the conditions for its occurrence. It has, however, been used in a variety of ways by different authors, denoting different concepts and relationships. Here we describe and clarify some of them and analyze the role they play with respect to the phenomenon of entanglement. Based on these considerations we discuss the recently proposed system-theoretical generalization of the concepts (...) and complementarity (Atmanspacher et al. in Found Phys 32(3):379–406, 2002; von Lucadou et al. in J Conscious Stud 14(4):50–74, 2007; Filk and Römer in Axiomathes 21(2):211–220, 2011; Walach and Von Stillfried in Axiomathes 21(2): 185–209, 2011). We hope that a clarification regarding the specific meaning of these terms can be useful to the growing engagement with this interesting hypothesis and its critical investigation. (shrink)
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  4.  8
    The Concept of Complementarity and its Role in Quantum Entanglement and Generalized Entanglement.Thilo Hinterberger & Nikolaus von Stillfried - 2013 - Axiomathes 23 (3):443-459.
    The term complementarity plays a central role in quantum physics, not least in various approaches to defining entanglement and the conditions for its occurrence. It has, however, been used in a variety of ways by different authors, denoting different concepts and relationships. Here we describe and clarify some of them and analyze the role they play with respect to the phenomenon of entanglement. Based on these considerations we discuss the recently proposed system-theoretical generalization of the concepts (...) and complementarity (Atmanspacher et al. in Found Phys 32(3):379–406, 2002; von Lucadou et al. in J Conscious Stud 14(4):50–74, 2007; Filk and Römer in Axiomathes 21(2):211–220, 2011; Walach and Von Stillfried in Axiomathes 21(2): 185–209, 2011). We hope that a clarification regarding the specific meaning of these terms can be useful to the growing engagement with this interesting hypothesis and its critical investigation. (shrink)
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  5. Relativity, Quantum Entanglement, Counterfactuals, and Causation.Luke Fenton-Glynn & Thomas Kroedel - 2015 - British Journal for the Philosophy of Science 66 (1):45-67.
    We investigate whether standard counterfactual analyses of causation imply that the outcomes of space-like separated measurements on entangled particles are causally related. Although it has sometimes been claimed that standard CACs imply such a causal relation, we argue that a careful examination of David Lewis’s influential counterfactual semantics casts doubt on this. We discuss ways in which Lewis’s semantics and standard CACs might be extended to the case of space-like correlations.
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  6.  68
    Quantum Entanglement in Relativistic Three-Particle Systems.P. Schust, M. Mattes & M. Sorg - 2004 - Foundations of Physics 34 (1):99-167.
  7.  2
    A Challenge to Quantum Entanglement by Experiment and Theory.Eric Stanley Reiter - 2016 - Cosmos and History: The Journal of Natural and Social Philosophy 12 (2):330-346.
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  8. On the Necessity of Entanglement for the Explanation of Quantum Speedup.Michael Cuffaro - manuscript
    Of the many and varied applications of quantum information theory, perhaps the most fascinating is the sub-field of quantum computation. In this sub-field, computational algorithms are designed which utilise the resources available in quantum systems in order to compute solutions to computational problems with, in some cases, exponentially fewer resources than any known classical algorithm. While the fact of quantum computational speedup is almost beyond doubt, the source of quantum speedup is still a matter of (...)
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  9. Quantum Entanglement and a Metaphysics of Relations.Michael Esfeld - 2004 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 35 (4):601-617.
    This paper argues for a metaphysics of relations based on a characterization of quantum entanglement in terms of non-separability, thereby regarding entanglement as a sort of holism. By contrast to a radical metaphysics of relations, the position set out in this paper recognizes things that stand in the relations, but claims that, as far as the relations are concerned, there is no need for these things to have qualitative intrinsic properties underlying the relations. This position thus opposes (...)
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  10. 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 (...)
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  11.  82
    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 (...)
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  12.  19
    Generalized Quantum Probability and Entanglement Enhancement Witnessing.Gregg Jaeger - 2012 - Foundations of Physics 42 (6):752-759.
    It has been suggested (cf. Sinha et al. in Science 329:418, 2010) that the Born rule for quantum probability could be violated. It has also been suggested that, in a generalized version of quantum mechanical probability theory such as that proposed by Sorkin (Mod. Phys. Lett. A 9:3119, 1994) there might occur deviations from the predictions of quantum probability in cases where more than two paths are available to a self-interfering system. These would lead to additional contributions (...)
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  13.  13
    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 (...)
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  14. Understanding Memories of a Near-Death Experience From the Perspective of Quantum Entanglement and in the Presence of the Supernatural.Contzen Pereira & Janice Harter - 2016 - Journal of Metaphysics and Connected Consciousness 2.
    Near-death experiences are a big challenge to the fields of science and philosophy; termed as hallucinatory by neurologists and “stuff of which fantasies are made off” by sceptics, there are some unique near-death experiences which defy these claims. Memories generated during these experiences are of specific interest as they are created without a body and can be recalled post the experience. Call it the mind, soul, psyche or consciousness, if deliberated as a form of quantum generated energy, a strong (...)
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  15.  76
    Some Puzzles and Unresolved Issues About Quantum Entanglement.John Earman - 2015 - Erkenntnis 80 (2):303-337.
    Schrödinger averred that entanglement is the characteristic trait of quantum mechanics. The first part of this paper is simultaneously an exploration of Schrödinger’s claim and an investigation into the distinction between mere entanglement and genuine quantum entanglement. The typical discussion of these matters in the philosophical literature neglects the structure of the algebra of observables, implicitly assuming a tensor product structure of the simple Type I factor algebras used in ordinary Quantum Mechanics . This (...)
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  16.  92
    On the Entanglement Structure in Quantum Cloning.Dagmar Bruß & Chiara Macchiavello - 2003 - Foundations of Physics 33 (11):1617-1628.
    We study the entanglement properties of the output state of a universal cloning machine. We analyse in particular bipartite and tripartite entanglement of the clones, and discuss the “classical limit” of infinitely many output copies.
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  17. Meeting the Universe Halfway: Quantum Physics and the Entanglement of Matter and Meaning.Karen Michelle Barad - 2007 - Duke University Press.
  18. Weak Quantum Theory: Complementarity and Entanglement in Physics and Beyond. [REVIEW]Harald Atmanspacher - 2002 - Foundations of Physics 32 (3):379-406.
    The concepts of complementarity and entanglement are considered with respect to their significance in and beyond physics. A formally generalized, weak version of quantum theory, more general than ordinary quantum theory of physical systems, is outlined and tentatively applied to two examples.
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  19.  76
    Non-Locality and Possible Worlds. A Counterfactual Perspective on Quantum Entanglement.Tomasz Bigaj - 2006 - Ontos Verlag.
    This book uses the formal semantics of counterfactual conditionals to analyze the problem of non-locality in quantum mechanics. Counterfactual conditionals enter the analysis of quantum entangled systems in that they enable us to precisely formulate the locality condition that purports to exclude the existence of causal interactions between spatially separated parts of a system. They also make it possible to speak consistently about alternative measuring settings, and to explicate what is meant by quantum property attributions. The book (...)
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  20.  7
    On Quantum Entanglement, Counterfactuals, Causality and Dispositions.Tomasz Bigaj - forthcoming - Synthese:1-25.
    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 for (...)
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  21. Feynman Paths and Quantum Entanglement: Is There Any More to the Mystery?John Stachel - 1997 - In Robert S. Cohen, Michael Horne & John Stachel (eds.), Potentiality, Entanglement and Passion-at-a-Distance. Kluwer Academic Publishers. pp. 245--256.
  22.  37
    Philosophy of Quantum Information and Entanglement.Alisa Bokulich & Gregg Jaeger (eds.) - 2010 - Cambridge University Press.
    "Entanglement can be understood as an extraordinary degree of correlation between states of quantum systems - a correlation that cannot be given an explanation ...
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  23.  4
    Quantum Entanglement and a Metaphysics of Relations.Michael Esfeld - 2004 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 35 (4):601-617.
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  24.  36
    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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  25. Quantum Entanglement and Information.Jeffrey Bub - 2008 - Stanford Encyclopedia of Philosophy.
  26.  71
    Quantum Entanglement Through Quaternions.J. P. Singh - 2009 - Apeiron: Studies in Infinite Nature 16 (4):491.
  27.  68
    Haunted Quantum Entanglement.Douglas M. Snyder - 2009 - Foundations of Physics 19:679-704.
  28.  93
    Review of Tomasz F. Bigaj, Non-Locality and Possible Worlds: A Counterfactual Perspective on Quantum Entanglement[REVIEW]Michael Dickson - 2007 - Notre Dame Philosophical Reviews 2007 (7).
  29.  93
    Quantum Entanglement and Nonideal Measurements: A Critique of Margenau's Objections to the Projection Postulate.Frederick M. Kronz - 1991 - Synthese 89 (2):229 - 251.
    I defend the projection postulate against two of Margenau's criticisms. One involves two types of nonideal measurements, measurements that disturb and measurements that annihilate. Such measurements cannot be characterized using the original version of the projection postulate. This is one of the most interesting and powerful objections to the projection postulate since most realistic measurements are nonideal, in Margenau's sense. I show that a straightforward generalization of the projection postulate is capable of handling the more realistic kinds of measurements considered (...)
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  30.  21
    Love-in-Idleness: Quantum Entanglement Dreamscapes.Clarissa Ribeiro & Milena Szafir - 2012 - Technoetic Arts 9 (2):293-300.
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  31.  4
    Measuring Quantum Entanglement.Leah Henderson - 2002 - In T. Placek & J. Butterfield (eds.), Non-Locality and Modality. Kluwer Academic Publishers. pp. 137--152.
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  32.  4
    On the Character of Quantum Law: Complementarity, Entanglement, and Information.Arkady Plotnitsky - 2017 - Foundations of Physics 47 (8):1115-1154.
    This article considers the relationships between the character of physical law in quantum theory and Bohr’s concept of complementarity, under the assumption of the unrepresentable and possibly inconceivable nature of quantum objects and processes, an assumption that may be seen as the most radical departure from realism currently available. Complementarity, the article argues, is a reflection of the fact that, as against classical physics or relativity, the behavior of quantum objects of the same type, say, all electrons, (...)
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  33. 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 (...)
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  34. From Implexity to Perplexity - Entanglement in Quantum Theory.Jean-Michel Delhotel - unknown
    An essential feature of the quantum mechanical formalism, entanglement is widely thought to imply nonlocality or nonseparability as a puzzling trait of our ‘quantum world’. The notion of entanglement is reviewed and the question is addressed of whether invoking nonlocal influences, or perhaps time-reversed causation, is warranted in such ‘applications’ as quantum teleportation and entanglement swapping.
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  35.  63
    Synchronistic Phenomena as Entanglement Correlations in Generalized Quantum Theory.Walter von Lucado & H. Romer - 2007 - Journal of Consciousness Studies 14 (4):50-74.
    Synchronistic or psi phenomena are interpreted as entanglement correlations in a generalized quantum theory. From the principle that entanglement correlations cannot be used for transmitting information, we can deduce the decline effect, frequently observed in psi experiments, and we propose strategies for suppressing it and improving the visibility of psi effects. Some illustrative examples are discussed.
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  36. The Subtleties of Entanglement and its Role in Quantum Information Theory.Rob Clifton - 2002 - Proceedings of the Philosophy of Science Association 2002 (3):S150-S167.
    My aim in this paper is a modest one. I do not have any particular thesis to advance about the nature of entanglement, nor can I claim novelty for any of the material I shall discuss. My aim is simply to raise some questions about entanglement that spring naturally from certain developments in quantum information theory and are, I believe, worthy of serious consideration by philosophers of science. The main topics I discuss are different manifestations of (...) nonlocality, entanglement-assisted communication, and entanglement thermodynamics. (shrink)
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  37.  28
    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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  38. Quantum Noise, Entanglement and Chaos in the Quantum Field Theory of Mind/Brain States.Eliano Pessa & Giuseppe Vitiello - 2003 - Mind and Matter 1 (1):59-79.
    We review the dissipative quantum model of the brain and present recent developments related to the role of entanglement, quantum noise and chaos in the model.
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  39.  6
    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 (...)
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  40. The Subtleties of Entanglement and its Role in Quantum Information Theory.Rob Clifton - 2002 - Philosophy of Science 69 (S3):S150-S167.
    My aim in this paper is a modest one. I do not have any particular thesis to advance about the nature of entanglement, nor can I claim novelty for any of the material I shall discuss. My aim is simply to raise some questions about entanglement that spring naturally from certain developments in quantum information theory and are, I believe, worthy of serious consideration by philosophers of science. The main topics I discuss are different manifestations of (...) nonlocality, entanglement‐assisted communication, and entanglement thermodynamics. (shrink)
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  41. Quantum Physics: A First Encounter: Interference, Entanglement, and Reality.Valerio Scarani - 2006 - Oxford University Press UK.
    Quantum physics is often perceived as a weird and abstract theory, which physicists must use in order to make correct predictions. But many recent experiments have shown that the weirdness of the theory simply mirrors the weirdness of phenomena: it is Nature itself, and not only our description of it, that behaves in an astonishing way. This book selects those, among these typical quantum phenomena, whose rigorous description requires neither the formalism, nor an important background in physics.The first (...)
     
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  42.  72
    On EPR-Type Entanglement in the Experiments of Scully Et Al. I. The Micromaser Case and Delayed-Choice Quantum Erasure.F. Herbut - 2008 - Foundations of Physics 38 (11):1046-1064.
    Delayed-choice erasure is investigated in two-photon two-slit experiments that are generalizations of the micromaser experiment of Scully et al. (Nature 351:111–116, 1991). Applying quantum mechanics to the localization detector, it is shown that erasure with delayed choice in the sense of Scully, has an analogous structure as simple erasure. The description goes beyond probabilities. The EPR-type disentanglement, consisting in two mutually incompatible distant measurements, is used as a general framework in both parts of this study. Two simple coherence cases (...)
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  43.  73
    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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  44. Potentiality, Entanglement, and Passion-at-a-Distance: Quantum Mechanical Studies for Abner Shimony.Robert S. Cohen, Michael Horne & John Stachel (eds.) - 1997 - Kluwer Academic Publishers.
     
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  45. Probabilistic Inequalities And Upper Probabilities In Quantum Mechanical Entanglement.J. De Barros & Patrick Suppes - 2010 - Manuscrito 33 (1):55-71.
    In this paper we analyze the existence of joint probabilities for the Bell-type and GHZ entangled states. We then propose the usage of nonmonotonic upper probabilities as a tool to derive consistent joint upper probabilities for the contextual hidden variables. Finally, we show that for the extreme example of no error, the GHZ state allows for the definition of a joint upper probability that is consistent with the strong correlations.
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  46. Range Theorems for Quantum Probability and Entanglement.Itamar Pitowsky - unknown
    We consider the set of all matrices of the form pij = tr[W (Ei ⊗ Fj)] where Ei, Fj are projections on a Hilbert space H, and W is some state on H ⊗ H. We derive the basic properties of this set, compare it with the classical range of probability, and note how its properties may be related to a geometric measures of entanglement.
     
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  47. Indeterminacy and Entanglement: The Challenge of Quantum Mechanics.J. Bub - 2000 - British Journal for the Philosophy of Science 51 (4):597-615.
    I explore the nature of the problem generated by the transition from classical to quantum mechanics, and I survey some of the different responses to this problem. I show briefly how recent work on quantum information over the past ten years has led to a shift of focus, in which the puzzling features of quantum mechanics are seen as a resource to be developed rather than a problem to be solved.
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  48. Entanglement, Upper Probabilities and Decoherence in Quantum Mechanics.Patrick Suppes & Stephan Hartmann - 2010 - In M. Suaráz et al (ed.), EPSA Philosophical Issues in the Sciences: Launch of the European Philosophy of Science Association. Springer. pp. 93--103.
    Quantum mechanical entangled configurations of particles that do not satisfy Bell’s inequalities, or equivalently, do not have a joint probability distribution, are familiar in the foundational literature of quantum mechanics. Nonexistence of a joint probability measure for the correlations predicted by quantum mechanics is itself equivalent to the nonexistence of local hidden variables that account for the correlations (for a proof of this equivalence, see Suppes and Zanotti, 1981). From a philosophical standpoint it is natural to ask (...)
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  49.  35
    Coherence, Entanglement, and Reductionist Explanation in Quantum Physics,".Gregg Jaeger & Sahotra Sarkar - 2003 - In A. Ashtekar (ed.), Revisiting the Foundations of Relativistic Physics. D. Reidel. pp. 523--542.
    The scope and nature of reductionist explanation in quantum physics is analyzed, with special attention being paid to the situation in quantum physics.
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  50.  31
    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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