%0 Journal Article
%T Statistical physics of Bose-Einstein condensed light in a dye microcavity
%A Jan Klaers
%A Julian Schmitt
%A Tobias Damm
%A Frank Vewinger
%A Martin Weitz
%J Physics
%D 2012
%I arXiv
%R 10.1103/PhysRevLett.108.160403
%X We theoretically analyze the temperature behavior of paraxial light in thermal equilibrium with a dye-filled optical microcavity. At low temperatures the photon gas undergoes Bose-Einstein condensation (BEC), and the photon number in the cavity ground state becomes macroscopic with respect to the total photon number. Owing to a grandcanonical excitation exchange between the photon gas and the dye molecule reservoir, a regime with unusually large fluctuations of the condensate number is predicted for this system that is not observed in present atomic physics BEC experiments.
%U http://arxiv.org/abs/1201.0444v2