Supersolid phases of dipolar bosons in optical lattices with a staggered flux

Details Supersolid phases of dipolar bosons in optical lattices with a staggered flux Supersolid phases of dipolar bosons in optical lattices with a staggered flux

2010-09-06

arxiv.org/abs/1009.1072v2

Phys. Rev. A 83, 013627 (2011)

Physics

Condensed Matter

Quantum Gases

11 pages; added references, minor changes in text

Scientific paper

10.1103/PhysRevA.83.013627

We present the theoretical mean-field zero-temperature phase diagram of a Bose-Einstein condensate (BEC) with dipolar interactions loaded into an optical lattice with a staggered flux. Apart from uniform superfluid, checkerboard supersolid and striped supersolid phases, we identify several supersolid phases with staggered vortices, which can be seen as combinations of supersolid phases found in earlier work on dipolar BECs and a staggered-vortex phase found for bosons in optical lattices with staggered flux. By allowing for different phases and densities on each of the four sites of the elementary plaquette, more complex phase patterns are found.

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