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- W2772892009 abstract "We study the limit of large onsite repulsion of the one-dimensional Bose-Hubbard model at low densities, and derive a strong-coupling effective Hamiltonian. By taking the lattice parameter to zero, the Hamiltonian becomes a continuum model of fermions with attractive interactions. The leading corrections to the internal energy of a hard-core-boson (Tonks) gas as well as the (finite temperature) pair correlations of a strongly interacting Bose gas are calculated. We explore the possibility of realizing, in an optical lattice, a Luttinger liquid with stronger density correlations than the Tonks gas. A quantum phase transition to a charge-density-wave Mott insulator is also discussed." @default.
- W2772892009 created "2017-12-22" @default.
- W2772892009 creator A5038550874 @default.
- W2772892009 date "2003-01-11" @default.
- W2772892009 modified "2023-09-26" @default.
- W2772892009 title "One-dimensional Optical Lattices, Hard-core Bosons, and Beyond" @default.
- W2772892009 hasPublicationYear "2003" @default.
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