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cond-mat.str-el2005★ 90 cited
Dynamical behavior across the Mott transition of two bands with different bandwidths
Michel Ferrero, Federico Becca, Michele Fabrizio +1
We investigate the role of the bandwidth difference in the Mott metal-insulator transition of a two-band Hubbard model in the limit of infinite dimensions, by means of a Gutzwiller…
cond-mat.str-el2003★ 1 cited
Quantum phase transition in easy-axis antiferromagnetic integer-spin chains
M. Capone, S. Caprara, L. Cataldi
Antiferromagnetic Heisenberg integer-spin chains are characterized by a spin-liquid ground state with no long-range order, due to the relevance of quantum fluctuations. Spin anisot…