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Superconductivity in a quasi-two-dimensional Bose gas

M. J. Rice, Y. R. Wang

DOI 10.1103/PhysRevB.37.5893 · Physical Review B

T1

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Abstract

We show, within mean-field theory, that the normal state of compressible quasi-two-dimensional bose gas with arbitrarily weak attractive interactions becomes unstable with respect to pair condensation at a temperature Tc of order T0, the bose degeneracy temperature. Below Tc the ground-state many-particle wave function is the boson analog of the Bardeen-Cooper-Schrieffer wave function and the charged gas has the principal electromagnetic properties of a conventional superconductor.

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FormulaReported Tc (K)Pressure (GPa)Type
He4

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—Pressure not reportedunknown

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