Bose-Einstein Condensation and Casimir Effect of Trapped Ideal Bose Gas in between two Slabs

Abstract

We study the Bose-Einstein condensation for a 3-d system of ideal Bose gas which is harmonically trapped along two perpendicular directions and is confined in between two slabs along the other perpendicular direction. We calculate the Casimir force between the two slabs for this system of trapped Bose gas. At finite temperatures this force for thermalized photons in between two plates has a classical expression which is independent of $\hslash$. At finite temperatures the Casimir force for our system depends on $\hslash$. For the calculation of Casimir force we consider only the Dirichlet boundary condition. We show that below condensation temperature($T_c$) the Casimir force for this non-interacting system decreases with temperature($T$) and at $T\gtrsim T_c$, it is independent of temperature. We also discuss the Casimir effect on 3-d highly anisotropic harmonically trapped ideal Bose gas.

arXiv comment4 pages

References in corpus (6)

• Precision Measurement of the Casimir Force from 0.1 to 0.9 microns
• Bose-Einstein Condensation of Atomic Hydrogen
• Thermal corrections to the Casimir effect
• The Casimir effect for the Bose-Gas in Slabs
• Casimir force between two ideal-conductor walls revisited
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• Casimir effect in a dilute Bose gas in canonical ensemble within improved Hartree-Fock approximation
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• Finite-size effects on the cluster expansions for quantum gases in restricted geometries
• Casimir effect for a Bose-Einstein condensate inside a cylindrical tube
• The forces on a single interacting Bose-Einstein condensate