Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2007-12-30
Sol.St.Comms., 144, 399-404 (2007)
Physics
Condensed Matter
Strongly Correlated Electrons
Scientific paper
10.1016/j.ssc.2007.07.041
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.
Astrakharchik G. E.
Boronat Jordi
Kurbakov I. L.
Lozovik Yu. E.
Willander Magnus
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