Browsing by Subject "Nagaoka's theorem"
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Exact Results on Itinerant Ferromagnetism in Strongly Correlated Single- and Multiorbital Systems
(Johns Hopkins UniversityUSA, 2021-10-27)The study of magnetism is one of the oldest areas of physics, yet achieving a microscopic understanding remains difficult. Itinerant magnetism, which considers mobile electrons rather than localized spins, is particularly ...