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    Percolation-enhanced supersolids in the extended Bose-Hubbard model

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    Date
    2012-01-04
    Author
    Kemburi, B. M.
    Scarola, Vito W.
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    Abstract
    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.
    URI
    http://hdl.handle.net/10919/25400
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    • Scholarly Works, Department of Physics [873]

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