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Quantum quenches to the attractive one-dimensional Bose gas: exact results
by Lorenzo Piroli, Pasquale Calabrese, Fabian H. L. Essler
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|As Contributors:||Pasquale Calabrese · Fabian Essler · Lorenzo Piroli|
|Arxiv Link:||http://arxiv.org/abs/1604.08141v3 (pdf)|
|Date submitted:||2016-07-29 02:00|
|Submitted by:||Piroli, Lorenzo|
|Submitted to:||SciPost Physics|
We study quantum quenches to the one-dimensional Bose gas with attractive interactions in the case when the initial state is an ideal one-dimensional Bose condensate. We focus on properties of the stationary state reached at late times after the quench. This displays a finite density of multi-particle bound states, whose rapidity distribution is determined exactly by means of the quench action method. We discuss the relevance of the multi-particle bound states for the physical properties of the system, computing in particular the stationary value of the local pair correlation function $g_2$.
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Published as SciPost Phys. 1, 001 (2016)
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