Foundations of statistical mechanics from symmetries of entanglement
Abstract
Envariance—entanglement assisted invariance—is a recently discovered symmetry of composite quantum systems. Here, we show that thermodynamic equilibrium states are fully characterized by their envariance. In particular, the microcanonical equilibrium of a system $${ \mathcal S }$$ with Hamiltonian $${H}_{{ \mathcal S }}$$ is a fully energetically degenerate quantum state envariant under every unitary transformation. A representation of the canonical equilibrium then follows from simply counting degenerate energy states. Finally, our conceptually novel approach is free of mathematically ambiguous notions such as ensemble, randomness, etc., and, while it does not even rely on probability, it helps to understand its role in the quantum world.
- Authors:
- Publication Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1256377
- Alternate Identifier(s):
- OSTI ID: 1256378; OSTI ID: 1329586
- Report Number(s):
- LA-UR-15-21739
Journal ID: ISSN 1367-2630
- Grant/Contract Number:
- AC52-06NA25396; 2015-144057
- Resource Type:
- Published Article
- Journal Name:
- New Journal of Physics
- Additional Journal Information:
- Journal Name: New Journal of Physics Journal Volume: 18 Journal Issue: 6; Journal ID: ISSN 1367-2630
- Publisher:
- IOP Publishing
- Country of Publication:
- United Kingdom
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; statistical physics; entanglement; quantum symmetries
Citation Formats
Deffner, Sebastian, and Zurek, Wojciech H. Foundations of statistical mechanics from symmetries of entanglement. United Kingdom: N. p., 2016.
Web. doi:10.1088/1367-2630/18/6/063013.
Deffner, Sebastian, & Zurek, Wojciech H. Foundations of statistical mechanics from symmetries of entanglement. United Kingdom. https://doi.org/10.1088/1367-2630/18/6/063013
Deffner, Sebastian, and Zurek, Wojciech H. Wed .
"Foundations of statistical mechanics from symmetries of entanglement". United Kingdom. https://doi.org/10.1088/1367-2630/18/6/063013.
@article{osti_1256377,
title = {Foundations of statistical mechanics from symmetries of entanglement},
author = {Deffner, Sebastian and Zurek, Wojciech H.},
abstractNote = {Envariance—entanglement assisted invariance—is a recently discovered symmetry of composite quantum systems. Here, we show that thermodynamic equilibrium states are fully characterized by their envariance. In particular, the microcanonical equilibrium of a system ${ \mathcal S }$ with Hamiltonian ${H}_{{ \mathcal S }}$ is a fully energetically degenerate quantum state envariant under every unitary transformation. A representation of the canonical equilibrium then follows from simply counting degenerate energy states. Finally, our conceptually novel approach is free of mathematically ambiguous notions such as ensemble, randomness, etc., and, while it does not even rely on probability, it helps to understand its role in the quantum world.},
doi = {10.1088/1367-2630/18/6/063013},
journal = {New Journal of Physics},
number = 6,
volume = 18,
place = {United Kingdom},
year = {Wed Jun 01 00:00:00 EDT 2016},
month = {Wed Jun 01 00:00:00 EDT 2016}
}
https://doi.org/10.1088/1367-2630/18/6/063013
Web of Science
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Works referencing / citing this record:
Quantum theory of the classical: quantum jumps, Born’s Rule and objective classical reality via quantum Darwinism
journal, May 2018
- Zurek, Wojciech Hubert
- Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 376, Issue 2123
Quantum theory of the classical: quantum jumps, Born’s Rule and objective classical reality via quantum Darwinism
journal, May 2018
- Zurek, Wojciech Hubert
- Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 376, Issue 2123