Percolation Enhanced Supersolids in the Extended Bose-Hubbard Model

Details Percolation Enhanced Supersolids in the Extended Bose-Hubbard Model Percolation Enhanced Supersolids in the Extended Bose-Hubbard Model

2011-10-13

arxiv.org/abs/1110.2957v2

Phys. Rev. B 85, 020501 (2012)

Physics

Condensed Matter

Disordered Systems and Neural Networks

Scientific paper

10.1103/PhysRevB.85.020501

We theoretically study the stability of lattice supersolid states in the extended Bose-Hubbard model with bounded spatial disorder. We construct a disorder mean field theory and compare with quantum Monte Carlo calculations. The supersolid survives weak disorder on the simple cubic lattice. We also find that increasing disorder strength can transform a lattice solid into a supersolid as it tends to percolate through the disorder landscape.

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