Supersolidity around a Critical Point in Dipolar Bose-Einstein Condensates

Yong-Chang Zhang, Fabian Maucher, and Thomas Pohl
Phys. Rev. Lett. 123, 015301 – Published 2 July 2019
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Abstract

We explore spatial symmetry breaking of a dipolar Bose-Einstein condensate in the thermodynamic limit and reveal a critical point in the phase diagram at which crystallization occurs via a second-order phase transition. This behavior is traced back to the significant effects of quantum fluctuations in dipolar condensates, which moreover stabilize a new supersolid phase, namely a regular honeycomb pattern with high modulational contrast and near-perfect superfluidity.

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  • Received 5 March 2019

DOI:https://doi.org/10.1103/PhysRevLett.123.015301

© 2019 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & OpticalCondensed Matter, Materials & Applied Physics

Authors & Affiliations

Yong-Chang Zhang, Fabian Maucher, and Thomas Pohl

  • Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK 8000 Aarhus, Denmark

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Issue

Vol. 123, Iss. 1 — 3 July 2019

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