Dynamical manifestation of the Gibbs paradox after a quantum quench

M. Collura, M. Kormos, G. Takács

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We study the propagation of entanglement after quantum quenches in the nonintegrable paramagnetic quantum Ising spin chain. Tuning the parameters of the system, we observe a sudden increase in the entanglement production rate, which we show to be related to the appearance of new quasiparticle excitations in the postquench spectrum. We argue that the phenomenon is the nonequilibrium version of the well-known Gibbs paradox related to mixing entropy and demonstrate that its characteristics fit the expectations derived from the quantum resolution of the paradox in systems with a nontrivial quasiparticle spectrum.

Original languageEnglish
Article number053610
JournalPhysical Review A
Volume98
Issue number5
DOIs
Publication statusPublished - Nov 6 2018

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paradoxes
tuning
entropy
propagation
excitation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Dynamical manifestation of the Gibbs paradox after a quantum quench. / Collura, M.; Kormos, M.; Takács, G.

In: Physical Review A, Vol. 98, No. 5, 053610, 06.11.2018.

Research output: Contribution to journalArticle

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