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4 papers · 1 filter
Saturated Ferromagnetism from Statistical Transmutation in Two Dimensions
Yasuhiro Saiga, Masaki Oshikawa
The total spin of the ground state is calculated in the U -> infinity Hubbard model with uniform magnetic flux perpendicular to a square lattice, in the absence of Zeeman coupling.…
Magnetic response and quantum critical behavior in the doped two-leg extended Hubbard ladder
M. Tsuchiizu, Y. Suzumura
We have investigated quantum critical behavior in the doped two-leg extended Hubbard ladder, by using a weak-coupling bosonization method. In the ground state, the dominant fluctua…
Resonant inelastic x-ray scattering study of hole-doped manganites La1-xSrxMnO3 (x=0.2 and 0.4)
K. Ishii, T. Inami, K. Ohwada +8
Electronic excitations near the Fermi energy in the hole doped manganese oxides (La1-xSrxMnO3, x=0.2 and 0.4) have been elucidated by using the resonant inelastic x-ray scattering…
Charge-Density-Wave Formation in the Doped Two-Leg Extended Hubbard Ladder
M. Tsuchiizu, Y. Suzumura
We investigate electronic properties of the doped two-leg Hubbard ladder with both the onsite and the nearest-neighbor Coulomb repulsions, by using the the weak-coupling renormaliz…