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Relaxation dynamics of two coherently coupled one-dimensional bosonic gases

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Published in European Physical Journal Special Topics. 2017, vol. 226, no. 12, p. 2763-2774
Abstract In this work we consider the non-equilibrium dynamics of two tunnel coupled bosonic gases which are created from the coherent splitting of a one-dimensional gas. The consequences of the tunneling both in the non-stationary regime as well as at large time are investi- gated and compared with equilibrium results. In particular, within a semiclassical approximation, we compute correlation functions for the relative phase which are experimentally measurable and we observe a transient regime displaying oscillations as a function of the distance. The steady regime is very well approximated by a thermal state with a temperature independent of the tunneling strength.
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Research group Groupe Giamarchi
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FOINI, Laura, GIAMARCHI, Thierry. Relaxation dynamics of two coherently coupled one-dimensional bosonic gases. In: European Physical Journal Special Topics, 2017, vol. 226, n° 12, p. 2763-2774. https://archive-ouverte.unige.ch/unige:101042

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Deposited on : 2018-01-02

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