Research field (1)：
Semiconductors, optical and atomic physics
Research theme for competitive and other funds (20)：
2023 - 2028 Promotion of the 1000-Tesla science
2023 - 2028 1000 T非摂動磁場効果の理論
2022 - 2025 Topological Transports Emerging From Vorticity, Magnetic Field, and Chirality
2022 - 2025 Theoretical study of quantum computation in topological magnets
2015 - 2018 Study on dielectric breakdown, vacuum decay, turbulence and thermalization by superstring theory
2015 - 2018 Research on quantum simulations out of equlibrium
2015 - 2018 Generation and control of time-reversal-symmetry-broken quantum systems by vector electric-field shaped pulses
2015 - 2018 Field effect control of correlated electron systems for a prototype of Mott FET
2014 - 2018 Theoretical and experimental study of pressure and nonequilibrium control and enhancement of Tc based on the orbital distillation
2014 - 2017 Theory of nonequilibrium strongly correlated systems
2014 - 2017 Variety and universality of bulk-edge correspondence in topological phases: From solid state physics to cold atoms
2014 - 2017 Novel Phenomena in Strongly Correlated Electron Systems Emerging in the Non-equilibrium States
2012 - 2017 Emergent electromagnetism in magnets
2011 - 2014 Phase of matter by geometrical phases: application for quantum liquids and graphene
2011 - 2013 多バンド系における光誘起幾何学効果と相関電子系の非平衡相転移
2011 - 2013 Nonlinear and nonequilibrium states in strongly correlated systems studied by nonequilibrium dynamical mean field theory
2009 - 2010 光誘起幾何学効果と相関電子系の非平衡相転移
2008 - 2010 Non-equilibrium phase transition in strongly correlated electron systems
2008 - 2010 Quantum liquids without symmetry breaking : theories of geometrical phases and their applications
2006 - 2007 強相関電子系の非線形・非平衡状態の理論
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Papers (71)：
Yuta Murotani, Natsuki Kanda, Tomohiro Fujimoto, Takuya Matsuda, Manik Goyal, Jun Yoshinobu, Yohei Kobayashi, Takashi Oka, Susanne Stemmer, Ryusuke Matsunaga. Disentangling the Competing Mechanisms of Light-Induced Anomalous Hall Conductivity in Three-Dimensional Dirac Semimetal. Physical Review Letters. 2023. 131. 9
Takashi Oka. Confinement phase in carbon-nanotubes and the extended massive Schwinger model. JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL. 2022. 55. 50
Semyon Germanskiy, Renato M. A. Dantas, Sergey Kovalev, Chris Reinhoffer, Evgeny A. Mashkovich, Paul H. M. van Loosdrecht, Yunkun Yang, Faxian Xiu, Piotr Surowka, Roderich Moessner, et al. Ellipticity control of terahertz high-harmonic generation in a Dirac semimetal. PHYSICAL REVIEW B. 2022. 106. 8
Tomonori Arakawa, Takashi Oka, Seitaro Kon, Yasuhiro Niimi. Microwave Dynamical Conductivity in the Quantum Hall Regime. PHYSICAL REVIEW LETTERS. 2022. 129. 4
Shintaro Takayoshi, Jianda Wu, Takashi Oka. Nonadiabatic nonlinear optics and quantum geometry - Application to the twisted Schwinger effect. SCIPOST PHYSICS. 2021. 11. 4
Francesco Peronaci, Takashi Oka. Nonlinear transverse current on $\mathcal{C}_{3v}$-symmetric honeycomb lattice. 2021
Francesco Peronaci, Sara Ameli, Shintaro Takayoshi, Alexandra Landsman, Takashi Oka. Mott Memristors based on Field-Induced Carrier Avalanche Multiplication. 2021
Hamed Koochaki Kelardeh, Mohammadreza Eidi, Takashi Oka, Jan Michael Rost. Photoinduced Nonperturbative Valley Polarization in Graphene. 2020
Sergey Kovalev, Renato M.A. Dantas, Semyon Germanskiy, Jan Christoph Deinert, Bertram Green, Igor Ilyakov, Nilesh Awari, Min Chen, Mohammed Bawatna, Jiwei Ling, et al. Non-perturbative terahertz high-harmonic generation in the three-dimensional Dirac semimetal Cd3As2. Nature Communications. 2020. 11. 1
Masafumi Udagawa, Shintaro Takayoshi, Takashi Oka. STM as a single Majorana detector of Kitaev's chiral spin liquid. PHYSICAL REVIEW LETTERS. 2020. 126. 12
