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Quantum Thermodynamics Quantum Foundations

Non-equilibrium and equilibrium thermodynamic foundations of the 2D toric code within the SEAQT framework

arXiv
Authors: Cesar Damian, Adriana Saldana-Robles, Michael von Spakovsky

Year

2024

Paper ID

37385

Status

Preprint

Abstract Read

~2 min

Abstract Words

104

Citations

N/A

Abstract

The 2D toric code is a prototypical example that exhibits non-trivial topological properties and a ground state possessing a non-trivial topological order. Until now, all the cases studied in the literature have been in the stable equilibrium regime, leaving the relaxation towards this state unexplored. In the present work, the dynamics of the toric code towards stable equilibrium is explored within the steepest-entropy-ascent quantum thermodynamic (SEAQT) framework. Under these dynamics, information correlations such as the relative entropy, logarithmic negativity, magnetization, coherent information, and geometric entropy are described out of equilibrium, permitting a connection to be made between the out-of-equilibrium dynamics and these information measures.

Why This Paper Matters

  • This paper contributes to the Quantum Thermodynamics research area in the Quantum Articles archive.
  • It adds a 2024 reference point for readers tracking recent quantum research.
  • The 2D toric code is a prototypical example that exhibits non-trivial topological properties and a ground state possessing a non-trivial topological order.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2410.24033 [2] arXiv https://arxiv.org/abs/2410.24033 [3] Publisher https://arxiv.org/abs/2410.24033

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