Search Results - "Jermakian, A.K"

Mott–Hubbard crossover in two-dimensional clusters threaded by a magnetic field by Jermakian, A.K, Kocharian, A.N, Saakian, A.S

“…The ground-state characteristics of mesoscopic Hubbard clusters in the high-spin region are investigated as a function of cluster dimensions, lattice geometry…”
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Finite-size clusters in discrete Hubbard model with transverse and longitudinal magnetic fields by Kocharian, A.N, Jermakian, A.K, Saakian, A.S

“…We study the finite-size effects and stability of the fully polarized ferromagnetic state against one spin-flip in the presence of a strong magnetic field…”
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Mott-Hubbard transition in finite one- and two-dimensional lattices: Exact results by Kocharian, A.N., Jermakian, A.K., Sogomonian, A.

“…We present exact analytical results for the critical field h c and the criteria for the Mott-Hubbard behavior in rings and two-dimensional coupled chains of…”
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The superconductivity of two holes near-full-filling in an attractive two-component Hubbard model by Kocharian, A.N., Jermakian, A.K., Yang, C.

“…The criteria of the ground-state stability and correlations in finite size two-component (two orbital) fermions in Hubbard-like model are obtained for an…”
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Off-diagonal superconducting correlations and nagaoka instability in the repulsive Hubbard model by Kocharian, A.N., Jermakian, A.K., Yang, C.

“…The finite Hubbard lattice with strong repulsion away from half-filling in a strong magnetic field is considered. The exact ground state energies and…”
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