title: Cold exciton gases in coupled quantum well structures.
abstract: Cold exciton gases can be implemented in coupled quantum well structures. In this contribution, we review briefly the recent works on spontaneous coherence of cold excitons and on trapping of cold excitons with laser light.
authors.affiliation: Department of Physics, University of California at San Diego, La Jolla, CA 92093-0319, USA.
authors.forename: L V
authors.initials: LV
authors.lastname: Butov