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Wigner supersolid of excitons in electron-hole bilayers | | Yogesh N. Joglekar
; Alexander V. Balatsky
; S. Das Sarma
; | | Date: |
5 Jun 2006 | | Abstract: | Bilayer electron-hole systems, where carriers in one layer are electrons and carriers in the other are holes, have been actively investigated in recent years with the focus on Bose-Einstein condensation of excitons. This condensation is expected to occur when the layer separation d is much smaller than the interparticle distance r_sa_B within each layer. We argue for the existence of a state, Wigner supersolid, in which excitons are phase-coherent but form a Wigner crystal due to dipolar repulsion. We present the qualitative phase diagram of bilayer system, and discuss properties and possible signatures of the Wigner supersolid phase. | | Source: | arXiv, cond-mat/0606124 | | Services: | Forum | Review | PDF | Favorites | |
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