Supersolidity around a Critical Point in Dipolar Bose-Einstein Condensates

Yong Chang Zhang; Fabian Maucher; Thomas Pohl

doi:10.1103/PhysRevLett.123.015301

Supersolidity around a Critical Point in Dipolar Bose-Einstein Condensates

Yong Chang Zhang
, Fabian Maucher
, Thomas Pohl

Aarhus University

Research output: Contribution to journal › Article › peer-review

111 Scopus citations

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.

Original language	English
Article number	015301
Journal	Physical Review Letters
Volume	123
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.123.015301
State	Published - 2 Jul 2019
Externally published	Yes

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10.1103/PhysRevLett.123.015301

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title = "Supersolidity around a Critical Point in Dipolar Bose-Einstein Condensates",

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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N2 - 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.

AB - 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.

UR - https://www.scopus.com/pages/publications/85068975938

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DO - 10.1103/PhysRevLett.123.015301

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Supersolidity around a Critical Point in Dipolar Bose-Einstein Condensates

Abstract

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