Dynamics of three-body correlations in quenched unitary bose gases

V.E. Colussi, J.P. Corson, J.P. D'Incao

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Abstract

We investigate dynamical three-body correlations in the Bose gas during the earliest stages of evolution after a quench to the unitary regime. The development of few-body correlations is theoretically observed by determining the two- and three-body contacts. We find that the growth of three-body correlations is gradual compared to two-body correlations. The three-body contact oscillates coherently, and we identify this as a signature of Efimov trimers. We show that the growth of three-body correlations depends nontrivially on parameters derived from both the density and Efimov physics. These results demonstrate the violation of scaling invariance of unitary bosonic systems via the appearance of log-periodic modulation of three-body correlations.

Original languageEnglish
Article number100401
Number of pages6
JournalPhysical Review Letters
Volume120
Issue number10
DOIs
Publication statusPublished - 9 Mar 2018

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