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Meissner effect in a charged Bose gas with short-range repulsion

Shun-ichiro Koh
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Abstract

The question of whether the BEC is a necessary condition of the Meissner effect is examined. The electromagnetic susceptibility of a charged Bose gas with short-range repulsion is studied using the perturbation theory with respect to the repulsive force. With decreasing temperature, the Bose-statistical coherence grows, and prior to the BEC phase the susceptibility shows a singularity implying the Meissner effect. This means that the BEC is a sufficient, but not a necessary condition of the Meissner effect in the charged Bose gas with short-range repulsion.

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Shun-ichiro Koh. 2007-08-14. Meissner effect in a charged Bose gas with short-range repulsion. https://doi.org/10.1103/physrevb.68.144502

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