Patent and Invention

  1. ”Variable Resistor Element and its Manufacturing method” Y, Hosoi, S. Ohnishi, Y. Ogimoto, T. Oka, N. Nagaosa, Y. Tokura United State Patent No US7,978,047B2

Journal paper (For an updated list, please see Oka's google scholar page)

  1. H. Aoki, N. Tsuji, M. Eckstein, M. Kollar, T. Oka, and P. Werner, “Nonequilibrium dynamical mean-field theory and its applications”, Rev. Mod. Phys. 86, 779 (2014).
  2. Y. J. Zhang, T. Oka, R. Suzuki, J. T. Ye, and Y. Iwasa, “Electrically switchable chiral light-emitting transistor”, Science 344, 725 (2014).
  3. Y. Murakami, T. Oka, and H. Aoki, “Supersolid states in a spin system-phase diagram and collective excitations”, Phys. Rev. B 88 224404 (2013).
  4. K. Hashimoto, and T. Oka, “Vacuum Instability in Electric Fields via AdS/CFT: Euler-Heisenberg Lagrangian and Planckian Thermalization”, JHEP10, 116 (2013).
  5. K. Nishiguchi, K. Kuroki, R. Arita, T. Oka, and H. Aoki, “Superconductivity assisted by interlayer pair hopping in multilayered cuprates”, Phys. Rev. B 88 014509 (2013).
  6. T. Oka, “Nonlinear doublon production in a Mott insulator: Landau-Dykhne method applied to an integrable model”, Phys. Rev. B 86 (2012).
  7. T. Kitagawa, T. Oka, E. Demler, “Photo control of transport properties in a disordered wire: Average conductance, conductance statistics, and time-reversal symmetry”, Ann. Phys. 327, 1868 (2012).
  8. N. Tsuji, T. Oka, H. Aoki, and P. Werner, “Repulsion-to-attraction transition in correlated electron systems triggered by a monocycle pulse”, Phys. Rev. B 85, 155124 (2012).
  9. T. Kitagawa, T. Oka, A. Brataas, L. Fu, and E. Demler, “Transport properties of non-equilibrium systems under the application of light: Photo-induced quantum Hall insulators without Landau levels”, Phys. Rev. B 84, 235108 (2011).
  10. K. Hashimoto, N. Iizuka, and T. Oka, “Rapid Thermalization by Baryon Injection in Gauge/Gravity Duality”, Phys. Rev. D 84, 066005 (2011).
  11. N. Tsuji, T. Oka, P. Werner, H. Aoki, “Dynamical band flipping in fermionic lattice systems: an ac-field driven change of the interaction from repulsive to attractive”, Phys. Rev. Lett. 106, 236401 (2011).
  12. M. Eckstein, T. Oka, P. Werner, “Dielectric breakdown of Mott insulators in dynamical mean-field theory”, Phys. Rev. Lett. 105, 146404 (2010).
  13. T. Oka and H. Aoki, “Nonequilibrium magnetic and superconducting phases in the two-dimensional Hubbard model coupled to electrodes”, Phys. Rev. B 82, 0645160-1-064516-5 (2010).
  14. T. Oka and H. Aoki, “Dielectric Breakdown in a Mott Insulator: Many-body Schwinger-Landau-Zener Mechanism studied with a Generalized Bethe Ansatz”, Phys. Rev. B 81, 033103 (2010).
  15. S. Endo, T. Oka; H. Aoki, “Realization of tight-binding photonic bands in metallophotonic waveguide networks with application to a flat band in kagome lattice”, Phys. Rev. B 81, 113104-1-4 (2010).
  16. P. Werner, T. Oka, M. Eckstein, A. J. Millis, “Weak-coupling quantum Monte Carlo calculations on the Keldysh contour: theory and application to the current-voltage characteristics of the Anderson model”, Phys. Rev. B 81, 035108 (2010).
  17. N. Tsuji, T. Oka and H. Aoki, “Nonequilibrium steady state in photoexcited correlated electrons with dissipation”, Phys. Rev. Lett. 103, 047403 (2009).
  18. T. Oka and H. Aoki, “Photovoltaic Hall effect in graphene” Phys. Rev. B 79, 081406 (R) (2009), selected in Virtual Journal of Nanoscale Science & Technology, Erratum Phys. Rev. B 79, 169901 (2009).
  19. P. Werner, T. Oka, A. J. Millis, “Diagrammatic Monte Carlo simulation of non-equilibrium systems”, Phys. Rev. B 79, 035320 (2009).
  20. T. Oka and H. Aoki, “Photo-induced Tomonaga-Luttinger-like liquid in a Mott insulator”, Phys. Rev. B 78, 241104 (R) (2008).
  21. N. Tsuji, T. Oka and H. Aoki, “Correlated electron systems periodically driven out of equilibrium -- Floquet + DMFT formalism”, Phys. Rev. B 78, 235124 (2008).
  22. T. Oka, and N. Nagaosa, “Interfaces of correlated electron systems: Proposed mechanism for colossal electroresistance”, Phys. Rev. Lett. 95, 266403 (2005).
  23. T. Oka, and H. Aoki, “Ground-State Decay Rate for the Zener Breakdown in Band and Mott Insulators”, Phys. Rev. Lett. 95, 137601 (2005).
  24. T. Oka, N. Konno, R. Arita and H. Aoki, “Breakdown of an Electric-Field Driven System: a Mapping to a Quantum Walk”, Phys. Rev. Lett.94, 100602 (2005), selected in virtual journal of quantum information.
  25. R. Arita, T. Miyake, T. Kotani, M. van Schilfgaarde, T. Oka, K. Kuroki, Y. Nozue, and H. Aoki, “Electronic properties of alkali-metal loaded zeolites -- a "supercrystal" Mott insulator”, Phys. Rev. B 69, 195106 (2004).
  26. T. Oka, R. Arita and H. Aoki, “Breakdown of a Mott Insulator: A Nonadiabatic Tunneling Mechanism”, Phys. Rev. Lett.91, 066406 (2003).



  1. M. A. Sentef, M. Claassen, A. F. Kemper, B. Moritz, T. Oka, J. K. Freericks, T. P. Devereaux, “Theory of pump-probe photoemission in graphene and the generation of light-induced Haldane multilayers”, arXiv:1401.5103.
  2. S. Takayoshi, H. Aoki, and T. Oka, “Many-body Floquet theory of laser-induced phase transition in quantum magnets”, arXiv:1302.4460.
  3. S. Takayoshi, M. Sato, and T. Oka, “Laser-induced Magnetization Curve”, arXiv:1402.0881.
  4. T. Oka, and H. Aoki, “Confinement Phase in Carbon-Nanotubes and the Extended Massive Schwinger Model”, arXiv:1007.5393.


  1. T. Oka and H. Aoki, “Nonequilibrium Quantum Breakdown in a Strongly Correlated Electron System”, in Quantum and Semi-classical Percolation and Breakdown in Disordered Solids (Lecture Notes in Physics), by A.K. Sen (Editor), K.K. Bardhan (Editor), B.K. Chakrabarti (Editor)