Correlations in an expanding gas of hard-core bosons

Dimitri Gangardt; M Pustilnik

doi:10.1103/PhysRevA.77.041604

Correlations in an expanding gas of hard-core bosons

Dimitri Gangardt, M Pustilnik

Physics and Astronomy

Research output: Contribution to journal › Article

75 Citations (Scopus)

Abstract

We consider a longitudinal expansion of a one-dimensional gas of hard-core bosons suddenly released from a trap. We show that the broken translational invariance in the initial state of the system is encoded in correlations between the bosonic occupation numbers in the momentum space. The correlations are protected by the integrability and exhibit no relaxation during the expansion.

Original language	English
Pages (from-to)	041604
Number of pages	1
Journal	Physical Review A
Volume	77
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevA.77.041604
Publication status	Published - 1 Apr 2008

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10.1103/PhysRevA.77.041604

Advanced Fellowship - Dr DM Gangardt
Gangardt, D.
Engineering & Physical Science Research Council
1/09/06 → 31/08/11
Project: Research Councils

Cite this

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abstract = "We consider a longitudinal expansion of a one-dimensional gas of hard-core bosons suddenly released from a trap. We show that the broken translational invariance in the initial state of the system is encoded in correlations between the bosonic occupation numbers in the momentum space. The correlations are protected by the integrability and exhibit no relaxation during the expansion.",

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AB - We consider a longitudinal expansion of a one-dimensional gas of hard-core bosons suddenly released from a trap. We show that the broken translational invariance in the initial state of the system is encoded in correlations between the bosonic occupation numbers in the momentum space. The correlations are protected by the integrability and exhibit no relaxation during the expansion.

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Correlations in an expanding gas of hard-core bosons

Abstract

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Projects

Advanced Fellowship - Dr DM Gangardt

Cite this