Edge-edge correlations without edge states: η -clustering state as the ground state of the extended attractive SU(3) Hubbard chain
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DOI: 10.1103/physreva.111.063307
Abstract: We explore the phase diagram of the extended attractive SU($3$) Hubbard chain with two-body hopping and nearest-neighbor attraction at half-filling. In the large on-site attraction limit, we identify three different phases: phase separation (PS), Tomonaga-Luttinger… read more here.
Keywords: edge; hubbard chain; attractive hubbard; extended attractive ... See more keywords
Charge instabilities of the extended attractive Hubbard model on the cubic lattice
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DOI: 10.1142/s0217984920400503
Abstract: The paramagnetic phase of the extended attractive Hubbard model on the cubic lattice is studied within the spin rotation invariant Kotliar-Ruckenstein slave boson representation at zero temperature... read more here.
Keywords: hubbard model; attractive hubbard; cubic lattice; model cubic ... See more keywords