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cond-mat.str-el2005
Stripe Charge Ordering in Triangular-Lattice Systems
Hiroaki Onishi, Takashi Hotta
We investigate the ground-state properties of a t2g-orbital Hubbard model on a triangular lattice at electron density 5.5 by using numerical techniques. There appear several types…
cond-mat.str-el2005
Spin, charge, and orbital correlations in the one-dimensional t2g-orbital Hubbard model
Jose Xavier, Hiroaki Onishi, Takashi Hotta +1
We present the zero-temperature phase diagram of the one-dimensional t2g-orbital Hubbard model, obtained using the density-matrix renormalization group and Lanczos techniques. Emph…
cond-mat.str-el2005
Spin-charge-orbital ordering on triangle-based lattices
Hiroaki Onishi, Takashi Hotta
We investigate the ground-state property of an e_g-orbital Hubbard model at quarter filling on a zigzag chain by exploiting the density matrix renormalization group method. When tw…