Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2011-10-13
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.
Kemburi B. M.
Scarola Vito W.
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