Coexistence, Interfacial Energy, and the Fate of Microemulsions of 2D Dipolar Bosons

Saverio Moroni and Massimo Boninsegni
Phys. Rev. Lett. 113, 240407 – Published 10 December 2014

Abstract

The superfluid-crystal quantum phase transition of a system of purely repulsive dipolar bosons in two dimensions is studied by quantum Monte Carlo simulations at zero temperature. We determine freezing and melting densities and estimate the energy per unit length of a macroscopic interface separating the two phases. The results rule out the microemulsion scenario for any physical realization of this system, given the exceedingly large predicted size of the bubbles.

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  • Received 2 October 2014

DOI:https://doi.org/10.1103/PhysRevLett.113.240407

© 2014 American Physical Society

Authors & Affiliations

Saverio Moroni1 and Massimo Boninsegni2

  • 1SISSA Scuola Internazionale Superiore di Studi Avanzati and DEMOCRITOS National Simulation Center, Istituto Officina dei Materiali del CNR Via Bonomea 265, I-34136 Trieste, Italy
  • 2Department of Physics, University of Alberta, Edmonton, Alberta, Canada T6G 2E1

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Issue

Vol. 113, Iss. 24 — 12 December 2014

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