Excitations in correlated superfluids near a continuous transition into a supersolid
arXiv:cond-mat/0512717 · doi:10.1103/PhysRevLett.96.105303
Abstract
We study a superfluid on a lattice close to a transition into a supersolid phase and show that a uniform superflow in the homogeneous superfluid can drive the roton gap to zero. This leads to supersolid order around the vortex core in the superfluid, with the size of the modulated pattern around the core being related to the bulk superfluid density and roton gap. We also study the electronic tunneling density of states for a uniform superconductor near a phase transition into a supersolid phase. Implications are considered for strongly correlated superconductors.
arXiv comment4 pages, 2 figures, published version
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- Critical velocity of flowing supersolids of dipolar Bose gases in optical lattices
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- Ground-state Properties of a Supersolid in RPA
- Three Mode Interactions as a Precision Monitoring Tool for Advanced Laser Interferometers