239 citations
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13 papers · 1 filter
Surface state evolution induced by magnetic order in axion insulator candidate EuIn2As2
Mingda Gong, Divyanshi Sar, Joel Friedman +4
Gapping of Dirac surface states through time reversal symmetry breaking may realize the axion insulator state in condensed matter. Despite tremendous efforts, only a few material s…
Coexisting Kondo hybridization and itinerant f-electron ferromagnetism in UGe2
Ioannis Giannakis, Divyanshi Sar, Joel Friedman +6
Kondo hybridization in partially filled f-electron systems conveys significant amount of electronic states sharply near the Fermi energy leading to various instabilities from super…
The Breakdown of Mott Physics at VO Surfaces
Matthew J. Wahila, Nicholas F. Quackenbush, Jerzy T. Sadowski +12
Transition metal oxides such as vanadium dioxide (VO), niobium dioxide (NbO), and titanium sesquioxide (TiO) are known to undergo a temperature-dependent metal-insu…
High temperature singlet-based magnetism from Hund's rule correlations
Lin Miao, Rourav Basak, Sheng Ran +17
Uranium compounds can manifest a wide range of fascinating many-body phenomena, and are often thought to be poised at a crossover between localized and itinerant regimes for 5f ele…
Revisit of Antiferromagnetism in Hubbard Model by A Cluster Slave-Spin Method
Wei-Cheng Lee, Ting-Kuo Lee
The cluster slave-spin method is introduced to systematically investigate the solutions of the Hubbard model including the symmetry-broken phases. In this method, the electron oper…
Observation of semi-localized dispersive states in the strongly correlated electron-doped ferromagnet EuGdO
Daniel E. Shai, Mark H. Fischer, Alex J. Melville +7
Chemical substitution plays a key role in controlling the electronic and magnetic properties of complex materials. For instance, in EuO, carrier doping can induce a spin-polarized…