期刊
SOLID STATE COMMUNICATIONS
卷 144, 期 9, 页码 399-404出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2007.07.041
关键词
quantum wells; dipolar excitons; Bose-Einstein condensation; strong correlations
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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