Superfluidity of two- dimensional excitons in flat and harmonic traps
Yu. E. Lozovik, I. L. Kurbakov, M. Willander
TL;DR
This paper calculates the superfluid density and transition temperature of two-dimensional excitons in flat and harmonic traps, introducing a generalized local density approximation for the Kosterlitz-Thouless theory.
Contribution
It develops a generalized local density approximation for the Kosterlitz-Thouless theory applied to 2D excitons in various trapping potentials.
Findings
Superfluid density and transition temperature are quantified for 2D excitons.
A generalized local density approximation is formulated for the Kosterlitz-Thouless transition.
Results provide insights into exciton superfluidity in confined geometries.
Abstract
Superfluid exciton density and superfluid transition (crossover) temperature are calculated for 2D excitons in large-size flat and harmonic traps. A generalized local density approximation for the Kosterlitz-Thouless theory is developed.
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