Superconducting Transition Temperature of the Bose One-Component Plasma

Chao Zhang; Barbara Capogrosso-Sansone; Massimo Boninsegni; Nikolay V. Prokof’ev; Boris V. Svistunov

doi:10.1103/PhysRevLett.130.236001

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Superconducting Transition Temperature of the Bose One-Component Plasma

Chao Zhang, Barbara Capogrosso-Sansone, Massimo Boninsegni, Nikolay V. Prokof’ev, Boris V. Svistunov

DOI 10.1103/PhysRevLett.130.236001 · Physical Review Letters

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Abstract

We present results of numerically exact simulations of the Bose one-component plasma, i.e., a Bose gas with pairwise Coulomb interactions among particles and a uniform neutralizing background. We compute the superconducting transition temperature for a wide range of densities, in two and three dimensions, for both continuous and lattice versions of the model. The Coulomb potential causes the weakly interacting limit to be approached at high density, but gives rise to no qualitatively different behavior, vis-à-vis the superfluid transition, with respect to short-ranged interactions. Our results are of direct relevance to quantitative studies of bipolaron mechanisms of (high-temperature) superconductivity.