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Yang-Yang thermodynamics on an atom chip | | A.H. van Amerongen
; J.J.P. van Es
; P. Wicke
; K.V. Kheruntsyan
; N.J. van Druten
; | | Date: |
12 Sep 2007 | | Abstract: | We investigate the behavior of a weakly interacting nearly one-dimensional
(1D) trapped Bose gas at finite temperature. We perform in situ measurements of
spatial density profiles and show that they are very well described by a model
based on exact solutions obtained using the Yang-Yang thermodynamic formalism,
in a regime where other, approximate theoretical approaches fail. We
demonstrate Bose gas focusing as a means to gain experimental access to the
axial momentum distribution of the gas, and find good agreement with the in
situ results. | | Source: | arXiv, 0709.1899 | | Services: | Forum | Review | PDF | Favorites | |
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