Updated on 2023/11/21

写真a

 
TOMITA Norikazu
 
Title
Professor

Research Areas

  • Natural Science / Mathematical physics and fundamental theory of condensed matter physics

  • Natural Science / Semiconductors, optical properties of condensed matter and atomic physics

Graduating School

  • Tohoku University, Faculty of Science

    1989.03, Graduated

Graduate School

  • Kyoto University, Graduate School, Division of Natural Science

    Doctor's Course, 1994.03, Completed

External Career

  • , Part-time researcher for university or other academic organization, 1994.08 - 1995.10

  • , Research Assistant, 1995.11 - 2006.03

  • Lawrence Berkeley National Laboratory, Visiting Researcher, 2003.10 - 2003.12

  • Yamagata University, Professor, 2017.04 -

 

Papers

  • Instantaneous Intervalley Transition Just at the Franck-Condon State in the Conduction Band of GaAs, J. Phys.Soc. Jpn, 85 013705, 2015.12

    H. Ohnishi, N. Tomita, K. Nasu

    Multiple Authorship (Including Foreigners)

  • Quantum lattice fluctuations in the charge density wave state beyond the adiabatic approximation, J. Phys. Soc. Jpn, 84 124803, 2015.11

    K. Shida, Y. Watanabe, H. Gomi, A. Takahashi, N. Tomita

    Single Author

  • Real Time Relaxation Dynamics of Macroscopically Photo-Excited Electrons toward the Fermi Degeneracy Formation in the Conduction Band of Semiconductors, J.Phys.Soc.Jpn, 84 043701, 2015.03

    H.Ohonishi, K.Nasu, N. Tomita

    Multiple Authorship (Including Foreigners)

  • Resonating Hartree-Fock studies on the electronic structures of the two-dimensional hole-doped Hubbard model, J. Phys, Soc, Jpn, 82 044705, 2013.03

    S. Watanabe, M. Kato, and N. Tomita

    Multiple Authorship (Including Foreigners)

  • Quantum fluctuations due to spinons, polarons, and stripes in the two-dimensional Hubbard model,, Physical Review Letters, 103 116401, 2009.09

    N. Tomita, S. Watanabe

    Multiple Authorship (Including Foreigners)

  • Antiferromagnetic fluctuations in the quantum phase transition of the one-dimensional electron system, Journal of Applied Physics, 101 09G509, 2007.04

    Norikazu Tomita

    Single Author

  • Electron correlation effects on Lehmann spectra of one-body Green functions for insulating states caused by the Coulomb repulsion, Physical Review B, 75 115132-1-115132-8, 2007.03

    Norikazu Tomita and Keiichiro Nasu

    Multiple Authorship (Including Foreigners)

  • Quantum coherence and decoherence of the correlated electron states in the one-dimensional CDW-SDW phase transition, Physical Review B, 73 115105, 2006.03

    Norikazu Tomita

    Single Author

  • Theoretical aspects of photoemission spectroscopy on strongly correlated electron systems, Journal of Electron Spectroscopy and Related Phenomena, 144-147 1237-1240, 2005.04

    Norikazu Tomita, Masahiro Yamazaki and Keiichiro Nasu

    Multiple Authorship (Including Foreigners)

  • 31. High energy angle resolved photoemission spectroscopy probing bulk correlated electronic states in quasi-one-dimensional V6O13 and SrCuO2, Physical Review B, 70 155106-1-155106-7, 2004.10

    S.Suga, A.Shigemoto, A.Sekiyama, S.Imada, A.Yamasaki, A.Irizawa, S.Kasai, Y.Saitoh, T.Muro, N.Tomita, K.Nasu, H.Eisaki and Y.Ueda

    Multiple Authorship (Including Foreigners)

  • 30. Coexistence of both coherent and incoherent peaks in photoemission spectra of intermediately correlated many-electron systems, Journal Electron Spectroscopy and Related Phenomena, 136 49-56, 2004.05

    K. Nasu, M. Yamazaki, N. Tomita, H. Zhao and C. Wu

    Multiple Authorship (Including Foreigners)

  • Many-body wave functions approximated by the superposition of spin-projected nonorthogonal Slater determinants in the resonating Hartree-Fock method, Physical Review B, 69 045110, 2004.04

    Norikazu Tomita

    Single Author

  • Path-integral theory on the metal-insulator transition in the three-dimensional Hubbard model, Physical Review B, 68 035117, 2003.03

    Norikazu Tomita, Masahiro Yamazaki and Keiichiro Nasu

    Multiple Authorship (Including Foreigners)

  • Exciton effects on the light absorption and photoemission spectra of the one-dimensional Mott insulator [Ni(chxn)2Br]Br2(chxn=1r, 2r-cyclo-hexanediamine), , Journal of Nonlinear Optics , 29 247-255, 2002.02

    Norikazu Tomita and Keiichiro Nasu

    Multiple Authorship (Including Foreigners)

  • Unified theory for photoemission and light absorption spectra of a one-dimensional interacting electron system, Physical Review B, 64 125118, 2001.12

    Norikazu Tomita and Keiichiro Nasu

    Multiple Authorship (Including Foreigners)

  • Quantum fluctuation effects on light absorption spectra of the one-dimensional extended Hubbard model, Physical Review B, 63 085107, 2001.08

    Norikazu Tomita and Keiichiro Nasu

    Multiple Authorship (Including Foreigners)

  • Fluctuation effects of nonlinear coupling between spin and charge excitations on dynamical correlation functions of the one-dimensional extended Hubbard model, Physical Review B, 61 2488-2496, 2000.06

    Norikazu Tomita and Keiichiro Nasu

    Multiple Authorship (Including Foreigners)

  • Predominance of the multimagnon incoherent component and minuteness of the zero-magnon coherent component in one-body Green’s functions of half-filled Hubbard models, Physical Review B, 60 8602-8609, 1999.09

    Norikazu Tomita and Keiichiro Nasu

    Multiple Authorship (Including Foreigners)

  • Difference between the small one-electron gap and the large optical gap in one-, two-, and three-dimensional half-filled Hubbard models, Solid State Communication, 111 175-179, 1999.08

    Norikazu Tomita and Keiichiro Nasu

    Multiple Authorship (Including Foreigners)

  • Path-integral theory for light absorption spectra of many-electron systems in insulating states due to strong long-range Coulomb repulsion : Nonlinear coupling between charge and spin excitations, Physical Review B, 56 3779-3786, 1997.08

    Norikazu Tomita and Keiichiro Nasu

    Multiple Authorship (Including Foreigners)

  • Ab initio molecular orbital calculations by the resonating Hartree-Fock approach : Superposition of non-orthogonal Slater determinants, Chemical Physics Letter, 263 687-690, 1996.12

    Norikazu Tomita, Seiichiro Tnno and Yoshitaka Tanimura

    Multiple Authorship (Including Foreigners)

  • The SDW-CDW phase transition in the one dimensional extended Hubbard model, Journal of Physical Society of Japan, 65 195-206, 1996.11

    Norikazu Tomita, Atsushi Ikawa and Hideo Fukutome

    Multiple Authorship (Including Foreigners)

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Books

  • New many-body theories for soft x-ray spectroscopy of insulating solids, World Scientific, 2002.12

    Norikazu Tomita and Keiichiro Nasu

Review Papers

  • Theory on photoemission spectroscopy for strongly correlated electron systems(jointly worked), Sokid States Physics, 35 176-184, 2000.04

    Norikazu Tomita and Keiichiro Nasu

Grant-in-Aid for Scientific Research

  • Grant-in-Aid for Scientific Research(C)，2018.04 - 2022.03

  • Grant-in-Aid for Scientific Research(C)，2006.04 -