Exciton condensate in semiconductor quantum well structures.
arXiv:cond-mat/9501011 · doi:10.1103/PhysRevLett.74.1633
Abstract
We propose that the exciton condensate may form in a well-controlled way in appropriately arranged semiconductor quantum well structures. The mean-field theory of Keldysh and Kopaev, exact in both the high density and the low density limits, is solved numerically to illustrate our proposal. The electron-hole pairing gap and the excitation spectrum of the exciton condensate are obtained. The energy scales of the condensate are substantial at higher densities. We discuss how such densities could be achieved experimentally by generating an effective pressure.
LaTex file, 11 pages, accepted by Phys. Rev. Lett.; Three figures available from [email protected].
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