Moment of Inertia and Superfluidity of a Trapped Bose Gas

Abstract

The temperature dependence of the moment of inertia of a dilute Bose gas confined in a harmonic trap is determined. Deviations from the rigid value, due to the occurrence of Bose-Einstein condensation, reveal the superfluid behaviour of the system. In the noninteracting gas these deviations become important at temperatures of the order of $T_c{N}^{-1/12}$. The role of interactions is also discussed.

arXiv comment10 pages, REVTEX, 1 figure attached as postscript file

References in corpus (1)

• Ground-State Properties of Magnetically Trapped Bose-Condensed Rubidium Gas

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