Yang–Yang thermodynamics of one-dimensional Bose gases with anisotropic transversal confinement

doi:10.1088/1674-1056/20/9/090501

Abstract By combining the thermodynamic Bethe ansatz and local density approximation, we investigate the Yang—Yang thermodynamics of interacting one-dimensional Bose gases with anisotropic transversal confinement. It is shown that with the increase of anisotropic parameter at low temperature, the Bose atoms are distributed over a wider region, while at high temperature the density distribution is not affected obviously. Both the temperature and transversal confinement can strengthen the local pressure of the Bose gases.

Keywords: Bose gas thermodynamics anisotropic transversal confinement

Received: 24 February 2011
Revised: 25 March 2011
Accepted manuscript online:

PACS:	05.30.Jp	(Boson systems)
	03.75.Hh	(Static properties of condensates; thermodynamical, statistical, and structural properties)
	67.85.-d	(Ultracold gases, trapped gases)

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Hao Ya-Jiang (郝亚江) and Yin Xiang-Guo(尹相国) Yang–Yang thermodynamics of one-dimensional Bose gases with anisotropic transversal confinement 2011 Chin. Phys. B 20 090501

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Yang–Yang thermodynamics of one-dimensional Bose gases with anisotropic transversal confinement

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