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Berezinskii-Kosterlitz-Thouless Transition in Two-Dimensional Dipole Systems
Physics Review Letters
  • A Filinov
  • N Prokof'ev, University of Massachusetts - Amherst
  • M Bonitz
Publication Date
The superfluid to normal fluid transition of dipolar bosons in two dimensions is studied in a broad density range by using path integral Monte Carlo simulations and summarized in the phase diagram. While at low densities we find good agreement with the universal results depending only on the scattering length as, at moderate and high densities the transition temperature is strongly affected by interactions and the excitation spectrum of quasiparticles. The results are expected to be of relevance to dipolar atomic and molecular systems and indirect excitons in quantum wells.
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Citation Information
A Filinov, N Prokof'ev and M Bonitz. "Berezinskii-Kosterlitz-Thouless Transition in Two-Dimensional Dipole Systems" Physics Review Letters Vol. 105 Iss. 7 (2010)
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