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Supersolidity around a critical point in dipolar Bose Einstein condensates

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arxiv 1903.06161 v1 pith:WR7AVR6G submitted 2019-03-04 cond-mat.quant-gas quant-ph

Yong-Chang Zhang , Fabian Maucher , Thomas Pohl This is my paper · ORCID
classification cond-mat.quant-gasquant-ph
keywords dipolarphasebosecondensatescriticaleinsteinpointaround
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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 maximal modulational contrast and near-perfect superfluidity.

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