Correlations of quasi-2D dipolar ultracold gas at finite temperatures

TL;DR

This paper investigates the statistical properties of a quasi-2D dipolar ultracold gas at finite temperatures using an extended classical field approximation, revealing enhanced third-order correlations relevant for particle loss processes.

Contribution

It extends the classical field approximation to weakly interacting long-range dipolar gases and analyzes their correlation functions at finite temperatures.

Findings

Enhanced third-order correlation function observed

Comparison with larger magnetic dipole moment atoms

Statistical properties aligned with current Chromium experiments

Abstract

We study a quasi two dimensional dipolar gas at finite, but ultralow temperatures using the classical field approximation. The method, already used for a contact interacting gas, is extended here to samples with a weakly interacting long-range inter-atomic potential. We present statistical properties of the system for the current experiment with Chromium [Phys. Rev. A 84 053601 (2011)] and compare them with statistics for atoms with larger magnetic dipole moments. Significant enhancement of the third order correlation function, relevant for the particle losses, is found.