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Emergence and topological order in classical and quantum systems

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JournalStudies in History and Philosophy of Science Part B - Studies in History and Philosophy of Modern Physics
DateAccepted/In press - 27 Feb 2019
DateE-pub ahead of print (current) - 9 Mar 2019
Number of pages15
Early online date9/03/19
Original languageEnglish

Abstract

There has been growing interest in systems in condensed matter physics as a potential source of examples of both epistemic and ontological emergence. One of these case studies is the fractional quantum Hall state (FQHS). In the FQHS a system of electrons displays a type of holism due to a pattern of long-range quantum entanglement that some argue is emergent. Indeed, in general, quantum entanglement is sometimes cited as the best candidate for one form of ontological emergence. In this paper we argue that there are significant formal and physical parallels between the quantum FQHS and classical polymer systems. Both types of system cannot be explained simply by considering an aggregation of local microphysical properties alone, since important features of each are globally determined by topological features. As such, we argue that if the FQHS is a case of ontological emergence then it is not due to the quantum nature of the system and classical polymer systems are ontologically emergent as well.

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©2019 Elsevier. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy.

    Research areas

  • Emergence philosophy physics

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