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Journal of Low Temperature Physics

The density distribution of a weakly interacting bose gas in an external potential

David A. Huse, Eric D. Siggia

Published Jan 1, 1982• 124 citations
Publisher
DOI
10.1007/bf00655448

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Journal of Experimental and Theoretical Physics Letters•Jan 1, 2008•8 citations
The low-temperature properties of a weakly interacting Bose gas in weak magnetic field are studied by using the conclusion of a weakly interacting Bose gas in external potential.The expressions of total energy and heat capacity are given analytically.The effects of the interparticle interactions as well as magnetic field on the thermodynamic properties of the system are discussed.It is shown that repulsion(attraction) can make the spatial distribution of particle number and energy concentrate(disperse) and the chemical potential,total energy,heat capacity of system increase(decrease).While strengthen magnetic field,the spatial distribution of particle number and energy will tend to disperse and the effects of interaction on it will be weaken.The effects of interaction on the different eigenvalue exist different individual behaviors.