The depletion in Bose Einstein condensates using Quantum Field Theory in curved space

TL;DR

This paper employs Quantum Field Theory in curved space to analyze how inhomogeneities and velocity affect the depletion of Bose Einstein condensates, providing a theoretical framework for understanding these effects.

Contribution

It introduces a novel application of quantum field theory in curved space to model condensate depletion considering inhomogeneities and flow velocities.

Findings

Quantifies depletion effects due to inhomogeneities.

Analyzes impact of non-zero velocity on condensate stability.

Provides a theoretical approach for future experimental validation.

Abstract

Using methods developed in Quantum Field Theory in curved space we can estimate the effects of the inhomogeneities and of a non vanishing velocity on the depletion of a Bose Einstein condensate within the hydrodynamical approximation.