Finite-size effects in two-photon correlations of exciton Bose-Einstein condensates
Quantum Gases
2025-03-26 v2
Abstract
Accessing two-photon statistics via Hunbary Brown and Twiss (HBT)-type measurements is essential for investigations of excitonic Bose-condensates. In this paper we make use of quantum hydrodynamics in order to study the finite-size impact on the two-photon emission intensity of a 2D condensate of excitons. We use the developed approach to calculate the two-photon decay time of exciton condensate in GaAs quantum wells and MoS bilayers. We demonstrate that the registered signal scales on the sample size in a qualitatively different manner than the Bogoliubov theory predicts.
Keywords
Cite
@article{arxiv.2409.16771,
title = {Finite-size effects in two-photon correlations of exciton Bose-Einstein condensates},
author = {R. D. Ivanovskikh and I. L. Kurbakov and N. A. Asriyan and Yu. E. Lozovik},
journal= {arXiv preprint arXiv:2409.16771},
year = {2025}
}
Comments
12 pages, 5 figures