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arXiv · 2407.06419

Universal relations in Bose gases with power-law interactions in two and three dimensions

Nina S. Voronova·Elena V. Skirdova·I. L. Kurbakov·Grigory E. Astrakharchik
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Abstract

We derive universal relations between thermodynamic quantities and the pair distribution function for bosons interacting via power-law interactions in three and two dimensions. We find beyond mean-field expressions for Tan's contact and establish new connections between the chemical potential and potential energy per particle, characteristic of systems with finite-range interactions. The obtained results are relevant for dipoles, quadrupoles, Rydberg atoms, excitons, van der Waals atoms, and other systems in the dilute limit.

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Nina S. Voronova, Elena V. Skirdova, I. L. Kurbakov, Grigory E. Astrakharchik. 2024-07-08. Universal relations in Bose gases with power-law interactions in two and three dimensions. https://arxiv.org/abs/2407.06419

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