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Breakdown of Markovianity by interactions in stroboscopic Floquet-Lindblad dynamics under high-frequency drive
Kaoru Mizuta, Kazuaki Takasan, Norio Kawakami
Floquet-Magnus (FM) expansion theory is a powerful tool in periodically driven (Floquet) systems under high-frequency drives. In closed systems, it dictates that their stroboscopic…
Activity-induced phase transition in a quantum many-body system
Kyosuke Adachi, Kazuaki Takasan, Kyogo Kawaguchi
A crowd of nonequilibrium entities can show phase transition behaviors that are prohibited in conventional equilibrium setups. An interesting question is whether similar activity-d…
Laser-induced topological -wave superconductivity in bilayer transition metal dichalcogenides
Hiroomi Chono, Kazuaki Takasan, Youichi Yanase
In this paper, we propose a way to realize topological -wave superconductivity with application of circularly polarized laser light in two-dimensional bilayer transition metal d…
Current-induced second harmonic generation in inversion-symmetric Dirac and Weyl semimetals
Kazuaki Takasan, Takahiro Morimoto, Joseph Orenstein +1
Second harmonic generation (SHG) is a fundamental nonlinear optical phenomenon widely used both for experimental probes of materials and for application to optical devices. Even-or…
Anomalous Hydrodynamic Transport in Interacting Noncentrosymmetric Metals
Riki Toshio, Kazuaki Takasan, Norio Kawakami
In highly conductive metals with sufficiently strong momentum-conserving scattering, the electron momentum is regarded as a long-lived quantity, whose dynamics is described by an e…
Exact Floquet quantum many-body scars under Rydberg blockade
Kaoru Mizuta, Kazuaki Takasan, Norio Kawakami
Quantum many-body scars have attracted much interest as a violation of the eigenstate thermalization hypothesis (ETH) due to recent experimental observation in Rydberg atoms and re…