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Brillouin zone folding method for quasiperiodic superconductivity in multilayer systems: application to electronic structure and optical responses
Mao Yoshii, Sota Kitamura, Takahiro Morimoto
We construct an efficient momentum space approach to the superconductivity in quasiperiodic multilayer systems. To this end, we extend the Brillouin zone (BZ) folding method to the…
Time-dependent Gutzwiller simulation of Floquet topological superconductivity
Takahiro Anan, Takahiro Morimoto, Sota Kitamura
Periodically driven systems provide a novel route to control the topology of quantum materials. In particular, Floquet theory allows an effective band description of periodically-d…
Geometric aspects of nonlinear and nonequilibrium phenomena
Takahiro Morimoto, Sota Kitamura, Naoto Nagaosa
We review recent developments in the research of nonlinear and nonequilibrium phenomena in solids focusing on their geometrical aspects. We start with introducing the basic concept…
Photocurrent induced by a bicircular light drive in centrosymmetric systems
Yuya Ikeda, Sota Kitamura, Takahiro Morimoto
A bicircular light (BCL) consists of left and right circularly polarized lights with different frequencies, and draws a rose-like pattern with a rotational symmetry determined by t…