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[1405. 5382] Competing phases, phase separation and co-existence in the . . . We study the phase diagram of the one-dimensional bosonic Hubbard model with contact (U) and near neighbor (V) interactions focusing on the gapped Haldane insulating (HI) phase which is characterized by an exotic nonlocal order parameter
George Batrouni - Google Scholar Fourier acceleration in lattice gauge theories I Landau gauge fixing CTH Davies, GG Batrouni, GR Katz, AS Kronfeld, GP Lepage, KG Wilson,
Under certain circumstances, systems of quantum bosons can exhibit both . . . Under certain circumstances, systems of quantum bosons can exhibit both rigid lattice structures (solidity) and at the same time resistanceless flow (superfluidity) This remarkable phase is known as a supersolid [52 ] G G Batrouni, R T Scalettar, G T Zimanyi, and A P Kampf, Phys Rev Lett 74, 2527 (1995) [56 ]
Mott Domains of Bosons Confined on Optical Lattices In the absence of a confining potential, the boson-Hubbard model exhibits a superfluid to Mott insulator quantum phase transition at commensurate fillings and strong coupling We use quantum Monte Carlo simulations to study the ground state of the one-dimensional bosonic Hubbard model in a trap
Competing phases, phase separation, and coexistence in the extended one . . . We study the phase diagram of the one-dimensional bosonic Hubbard model with contact (U) and near neighbor (V ) interactions focusing on the gapped Haldane insulating (HI) phase which is characterized by an exotic nonlocal order parameter
Research papers, master and doctoral theses published by George Batrouni For a few-layer system at intermediate hybridization, a Kondo insulating phase results where magnetic order and conductivity are suppressed in all layers As more insulating layers are added, magnetic order is restored in all correlated layers except that at the interface
G. G. Batrouni (0000-0002-3514-5555) - ORCID Sign change of the extended s -wave pairing vertex in the dynamic Hubbard model: A quantum Monte Carlo study Physical Review B - Condensed Matter and Materials Physics
Phys. Rev. Lett. 102, 140402 (2009) - Magnetic and Superfluid . . . We report on quantum Monte Carlo simulations of the spin-1 boson Hubbard model in the ground state For antiferromagnetic interactions favoring singlets, we present exact numerical evidence that the superfluid-insulator transition is first (second) order for even (odd) Mott lobes