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Fermi surface expansion above critical temperature in a Hund ferromagnet
Yusuke Nomura, Shiro Sakai, Ryotaro Arita
Using a cluster extension of the dynamical mean-field theory, we show that strongly correlated metals subject to Hund's physics exhibit significant electronic structure modulations…
Doping asymmetry and layer-selective metal-insulator transition in trilayer KC
Changming Yue, Yusuke Nomura, Philipp Werner
Thin films provide a versatile platform to tune electron correlations and explore new physics in strongly correlated materials. Epitaxially grown thin films of the alkali-doped ful…
Superconductivity in infinite-layer nickelates
Yusuke Nomura, Ryotaro Arita
The recent discovery of the superconductivity in the doped infinite layer nickelates NiO (=La, Pr, Nd) is of great interest since the nickelates are isostructural to dope…
Ab initio Derivation of Low-Energy Hamiltonians for Systems with Strong Spin-Orbit Interaction and Its Application to Ca5Ir3O12
Maxime Charlebois, Jean-Baptiste Morée, Kazuma Nakamura +7
We present an ab initio derivation method for effective low-energy Hamiltonians of material with strong spin-orbit interactions. The effective Hamiltonian is described in terms of…
Fully filling-controlled pyrochlore ruthenates: emergent ferromagnetic-metal state and geometrical Hall effect
Ryoma Kaneko, Kentaro Ueda, Shiro Sakai +4
Carrier doping to the Mott insulator is essential to produce highly correlated metals with emergent properties. Pyrochlore ruthenates, PrRuO (Ru- electron num…
Purifying Deep Boltzmann Machines for Thermal Quantum States
Yusuke Nomura, Nobuyuki Yoshioka, Franco Nori
We develop two cutting-edge approaches to construct deep neural networks representing the purified finite-temperature states of quantum many-body systems. Both methods commonly aim…