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cond-mat.str-el2016★ 10 cited
Breakdown of the Nagaoka phase at finite doping
Ilya Ivantsov, Alvaro Ferraz, Evgenii Kochetov
The Nagaoka () limit of the Hubbard model on a square lattice is mapped onto the itinerant-localized Kondo model at infinitely strong coupling. Such a model is well suite…
cond-mat.str-el2016★ 2 cited
Quantum Monte Carlo study of the itinerant-localized model of strongly correlated electrons: Spin-spin correlation functions
Ilya Ivantsov, Alvaro Ferraz, Evgenii Kochetov
We perform quantum Monte Carlo simulations of the itinerant-localized periodic Kondo-Heisenberg model for the underdoped cuprates to calculate the associated spin correlation funct…