Non-Equilibrium Bose-Einstein Condensation in a Dissipative Environment
Abstract
Solid state quantum condensates can differ from other condensates, such as Helium, ultracold atomic gases, and superconductors, in that the condensing quasiparticles have relatively short lifetimes, and so, as for lasers, external pumping is required to maintain a steady state. In this chapter we present a non-equilibrium path integral approach to condensation in a dissipative environment and apply it to microcavity polaritons, driven out of equilibrium by coupling to multiple baths, describing pumping and decay. Using this, we discuss the relation between non-equilibrium polariton condensation, lasing, and equilibrium condensation.
Cite
@article{arxiv.1206.1784,
title = {Non-Equilibrium Bose-Einstein Condensation in a Dissipative Environment},
author = {M. H. Szymanska and J. Keeling and P. B. Littlewood},
journal= {arXiv preprint arXiv:1206.1784},
year = {2017}
}
Comments
14 pages, Unedited version of chapter to appear in Quantum Gases: Finite Temperature and Non-Equilibrium Dynamics (Vol. 1 Cold Atoms Series). N.P. Proukakis, S.A. Gardiner, M.J. Davis and M.H. Szymanska, eds. Imperial College Press, London (in press)