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- W1996564448 abstract "We introduce a novel mechanism for itinerant ferromagnetism, based on a simple two-band model. The model includes an uncorrelated and dispersive band hybridized with a second band which is narrow and correlated. The simplest Hamiltonian containing these ingredients is the Periodic Anderson Model (PAM). Using quantum Monte Carlo and analytical methods, we show that the PAM and an extension of it contain the new mechanism and exhibit a non-saturated ferromagnetic ground state in the intermediate valence regime. We propose that the mechanism, which does not assume an intra atomic Hund's coupling, is present in both the iron group and in some f electron compounds like Ce(Rh_{1-x} Ru_x)_3 B_2, La_x Ce_{1-x} Rh_3 B_2 and the uranium monochalcogenides US, USe, and UTe." @default.
- W1996564448 created "2016-06-24" @default.
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- W1996564448 date "2003-12-29" @default.
- W1996564448 modified "2023-09-27" @default.
- W1996564448 title "Itinerant ferromagnetism in the periodic Anderson model" @default.
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- W1996564448 doi "https://doi.org/10.1103/physrevb.68.214430" @default.
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