Thermalization of Bipartite Bose-Hubbard Models

Christine Khripkov; Doron Cohen; Amichay Vardi

doi:10.1021/acs.jpca.5b11176

Thermalization of Bipartite Bose-Hubbard Models

Christine Khripkov, Doron Cohen, Amichay Vardi

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7 Scopus citations

Abstract

We study the time evolution of a bipartite Bose-Hubbard model prepared far from equilibrium. When the classical dynamics is chaotic, we observe ergodization of the number distribution and a constant increase of the entanglement entropy between the constituent subsystems until it saturates to thermal equilibrium values. No thermalization is obtained when the system is launched in quasi-integrable phase space regions.

Original language	English
Pages (from-to)	3136-3141
Number of pages	6
Journal	Journal of Physical Chemistry A
Volume	120
Issue number	19
DOIs	https://doi.org/10.1021/acs.jpca.5b11176
State	Published - 19 May 2016

ASJC Scopus subject areas

Physical and Theoretical Chemistry

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10.1021/acs.jpca.5b11176

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title = "Thermalization of Bipartite Bose-Hubbard Models",

abstract = "We study the time evolution of a bipartite Bose-Hubbard model prepared far from equilibrium. When the classical dynamics is chaotic, we observe ergodization of the number distribution and a constant increase of the entanglement entropy between the constituent subsystems until it saturates to thermal equilibrium values. No thermalization is obtained when the system is launched in quasi-integrable phase space regions.",

author = "Christine Khripkov and Doron Cohen and Amichay Vardi",

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AU - Cohen, Doron

AU - Vardi, Amichay

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N2 - We study the time evolution of a bipartite Bose-Hubbard model prepared far from equilibrium. When the classical dynamics is chaotic, we observe ergodization of the number distribution and a constant increase of the entanglement entropy between the constituent subsystems until it saturates to thermal equilibrium values. No thermalization is obtained when the system is launched in quasi-integrable phase space regions.

AB - We study the time evolution of a bipartite Bose-Hubbard model prepared far from equilibrium. When the classical dynamics is chaotic, we observe ergodization of the number distribution and a constant increase of the entanglement entropy between the constituent subsystems until it saturates to thermal equilibrium values. No thermalization is obtained when the system is launched in quasi-integrable phase space regions.

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EP - 3141

JO - Journal of Physical Chemistry A

JF - Journal of Physical Chemistry A

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Thermalization of Bipartite Bose-Hubbard Models

Abstract

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