Atomic lattice excitons: from condensates to crystals release_ymycintgufbt5fuenqe4lzwpba

by A. Kantian, A. J. Daley, P. Torma, P. Zoller

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We discuss atomic lattice excitons (ALEs), bound particle-hole pairs formed by fermionic atoms in two bands of an optical lattice. Such a system provides a clean setup to study fundamental properties of excitons, ranging from condensation to exciton crystals (which appear for a large effective mass ratio between particles and holes). Using both mean-field treatments and 1D numerical computation, we discuss the properities of ALEs under varying conditions, and discuss in particular their preparation and measurement.
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Type  article
Stage   accepted
Date   2007-08-02
Version   v2
Language   en ?
arXiv  0707.4668v2
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