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cond-mat.str-el2007★ 78 cited
Exact diagonalization study of Mott transition in the Hubbard model on an anisotropic triangular lattice
Takashi Koretsune, Yukitoshi Motome, Akira Furusaki
We study Mott transition in the two-dimensional Hubbard model on an anisotropic triangular lattice. We use the Lanczos exact diagonalization of finite-size clusters up to eighteen…
cond-mat.str-el2005
Development of superconducting correlation at low temperatures in the two-dimensional t-J model
Takashi Koretsune, Masao Ogata
The equal-time pairing correlation function of the two-dimensional t-J model on a square lattice is studied using a high-temperature expansion method. The sum of the pairing correl…
cond-mat.str-el2004★ 4 cited
Carrier-Induced Magnetic Circular Dichloism in the Magnetoresistive Pyrochlore Tl2Mn2O7
H. Okamura, T. Koretsune, S. Kimura +4
Infrared magnetic circular dichloism (MCD), or equivalently magneto-optical Kerr effect, has been measured on the Tl2Mn2O7 pyrochlore, which is well known for exhibiting a large ma…