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Topological phase transitions on a triangular optical lattice with non-Abelian gauge fields

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We study the mean-field BCS-BEC evolution of a uniform Fermi gas on a single-band triangular lattice and construct its ground-state phase diagrams, showing a wealth of topological quantum phase transitions between gapped and gapless superfluids that are induced by the interplay of an out-of-plane Zeeman field and a generic non-Abelian gauge field.

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American Physical Society (APS)

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Physics

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Physical Review A

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10.1103/PhysRevA.93.033632

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