Abstract
The presence of exciton-phonon interactions is shown to play a key role in the exciton superfluidity. It turns out that there are essentially two critical velocities in the theory. Within the range of these velocities the condensate can exist only as a bright soliton. The excitation spectrum and differential equations for the wave function of this condensate are derived.
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Loutsenko, I., Roubtsov, D. (2000). Solitons and Exciton Superfluidity. In: MacKenzie, R., Paranjape, M.B., Zakrzewski, W.J. (eds) Solitons. CRM Series in Mathematical Physics. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-1254-6_15
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DOI: https://doi.org/10.1007/978-1-4612-1254-6_15
Publisher Name: Springer, New York, NY
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