Dimensional crossover on multileg attractive- U Hubbard ladders
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DOI: 10.1103/physreva.107.053301
Abstract: We study the ground state properties of a polarized two-component Fermi gas on multileg attractive-$U$ Hubbard ladders. Using exact diagonalization and density matrix renormalization group method simulations, we construct grand canonical phase diagrams for ladder… read more here.
Keywords: multileg attractive; attractive hubbard; hubbard ladders; dimensional crossover ... See more keywords
Magnetic properties of alternating Hubbard ladders
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DOI: 10.1103/physrevb.103.165127
Abstract: We investigate the Hubbard Hamiltonian on ladders where the number of sites per rung alternates between two and three. These geometries are bipartite with nonequal or equal number of sites on the two sublattices. Thus… read more here.
Keywords: alternating hubbard; long range; hubbard ladders; magnetic properties ... See more keywords