Ground-State Properties Of Bosons In Three And Two-Dimensional Traps
INTERNATIONAL JOURNAL OF MODERN PHYSICS B（1998）
摘要
We study trapped systems of bosons at zero temperature in three and two dimensions. Conditions are fulfilled for the application of Gross-Pitaevskii theory with a positive scattering length. Series expansions for ground-state properties are obtained in both the noninteracting and the strong-coupling (Thomas-Fermi) limits. From these expansions, analytic estimates are presented in the form of two-point Pade approximants. We explicitly show the approximants for the total energy per particle and the chemical potential.
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关键词
ψ,in three dimensions is written as � − ¯ h,are dealing with ground-state properties. the gp equation for the condensate function,two dimensions,chemical potential,ground state,series expansion,three dimensions
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