Superfluid, solid, and supersolid phases of dipolar bosons in a quasi-one-dimensional optical lattice

Details Superfluid, solid, and supersolid phases of dipolar bosons in a quasi-one-dimensional optical lattice Superfluid, solid, and supersolid phases of dipolar bosons in a quasi-one-dimensional optical lattice

2011-05-19

arxiv.org/abs/1105.3873v2

Phys. Rev. A 84, 051602(R) (2011)

Physics

Condensed Matter

Quantum Gases

5 pages, 3 figures

Scientific paper

We discuss a model of dipolar bosons trapped in a weakly coupled planar array of one-dimensional tubes. We consider the situation where the dipolar moments are aligned by an external field, and find a rich phase diagram as a function of the angle of this field exhibiting quantum phase transitions between solid, superfluid and supersolid phases. In the low energy limit, the model turns out to be identical to one describing quasi-one-dimensional superconductivity in condensed matter systems. This opens the possibility of using bosons as a quantum analogue simulator of electronic systems, a scenario arising from the intricate relation between statistics and interactions in quasi-one-dimensional systems.

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