Journal
SOLID STATE COMMUNICATIONS
Volume 144, Issue 9, Pages 399-404Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2007.07.041
Keywords
quantum wells; dipolar excitons; Bose-Einstein condensation; strong correlations
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By doing quantum Monte Carlo ab initio simulations we show that dipolar excitons, which are now under experimental study, actually are strongly correlated systems. Strong correlations manifest in significant deviations of excitation spectra from the Bogoliubov one, large Bose condensate depletion, short-range order in the pair correlation function, and peak(s) in the structure factor. (C) 2007 Elsevier Ltd. All rights reserved.
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