Dynamics of a Tonks-Girardeau gas released from a hard-wall trap

Details Dynamics of a Tonks-Girardeau gas released from a hard-wall trap Dynamics of a Tonks-Girardeau gas released from a hard-wall trap

2005-11-30

arxiv.org/abs/cond-mat/0511747v1

Europhys. Lett. 74, 965 (2006)

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 6 figures

Scientific paper

10.1209/epl/i2006-10061-5

We study the expansion dynamics of a Tonks-Girardeau gas released from a hard wall trap. Using the Fermi-Bose map, the density profile is found analytically and shown to differ from that one of a classical gas in the microcanonical ensemble even at macroscopic level, for any observation time larger than a critical time. The relevant time scale arises as a consequence of fermionization.

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