Publication Lists 1995-2012

  1. Disordered weak and strong topological insulators

    preprint
    Authors: Koji Kobayashi, Tomi Ohtsuki, Ken-Ichiro Imura
    Reference: submitted to Phys. Rev. Lett.
  2. Finite-size energy gap in weak and strong topological insulators

    preprint
    Authors: Ken-Ichiro Imura, Mayuko Okamoto, Yukinori Yoshimura, Yositake Takane, and Tomi Ohtsuki
    Reference: Phys. Rev. B 86, 245436 (2012)
  3. Anderson Localization

    Authors: K. Slevin, T. Ohtsuki
    Reference: in a book "Conductor-Insulator Quantum Phase Transitions" edited by V. Dobrosavljevic, N. Trivedi, J.M. Valles JR., Oxford University Press, 2012.
    Errata
  4. Finite Size Scaling of the Chalker-Coddington Model

    Authors: K. Slevin, T. Ohtsuki
    Reference: International Journal of Modern Physics Conference Series,{\bf 11} (2012) 60--69, DOI: 10.1142/S2010194512006162
  5. Critical exponent for the quantum spin Hall transition in Z_2 network model

    Authors: K. Kobayashi, T. Ohtsuki, K. Slevin
    Reference: International Journal of Modern Physics Conference Series,{\bf 11} (2012) 114-119, DOI: 10.1142/S2010194512005995
  6. Critical exponent for the quantum Hall plateau transition

    Authors: K. Slevin, T. Ohtsuki
    Reference: RIMS Kokyuroku Bessatsu B27, pp. 141-147, (2011)
  7. Spin polarized transport and spin relaxation in quantum wires

    Authors: P. Wenk, M. Yamamoto, J. Ohe, T. Ohtsuki, B. Kramer, S. Kettemann
    Reference: in "Quantum Materials", ed. D. Heitmann, pp. 272-302, Springer(2010)
  8. Light Localization Characteristics in a Random Configuration of Dielectric Cylindrical Columns

    Authors: Y. Inose, M. Sakai, K. Ema, A. Kikuchi, K. Kishino, T. Ohtsuki
    Reference: Phys. Rev. B 82, 205328 (2010)
  9. Random laser action in GaN nanocolumns

    Authors: M. Sakai, Y. Inose, K. Ema, T. Ohtsuki, H. Sekiguchi, A. Kikuchi, K. Kishino
    Reference: Applied Physics Letters, Vol. 97 (2010) 151109
  10. Conductance distributions in disordered quantum spin-Hall systems

    preprint
    Authors: K. Kobayashi, T. Ohtsuki, H. Obuse, K. Slevin
    Reference: Phys. Rev. B 82, 165301 (2010)
    DOI:10.1103/PhysRevB.82.165301
  11. Proposal for Electrical Detection of Spin Separation with In-plane Magnetic Field in Mesoscopic Stern-Gerlach Spin Filter

    Authors: M. Kohda, J. Ohe, H. Sanada, M. Yamamoto, T. Ohtsuki, J. Nitta
    Reference: Proc. of SPIE Vol. 7600 (2010) 76001B-1
    Comment: "Ultrafast Phenomena in Semiconductors and Nanostructure Materials XIV", edited by Jin-Joo Song,et al.
  12. Finite Size Scaling Analysis of the Anderson Transition

    preprint
    Authors: Bernhard Kramer, Angus MacKinnon, Tomi Ohtsuki, Keith Slevin
    Reference: Intl. J. Mod. Phys. B 24 (2010) pp. 1841-1854
    DOI: 10.1142/S0217979210064630
    Comment:"Fifty Years of Anderson localization", edited by E. Abrahams (World Scientific, Singapore, 2010)
  13. Critical exponent for the quantum Hall transition

    preprint
    Authors: K. Slevin, T. Ohtsuki
    Reference: Phys. Rev. B 80, 041304(R) (2009)
    See also a synopsis in APS spotlight (http://physics.aps.org/).
  14. Point-Contact Conductance in Asymmetric Chalker-Coddington Network Model

    preprint
    Authors: K. Kobayashi, T. Ohtsuki, K. Slevin
    Reference: J. Phys. Soc. Jpn., vol. 78 (2009) 084708
  15. Conductance-plateau transitions in quantum Hall wires with spatially correlated random magnetic fields

    preprint
    Authors: T. Kawarabayshi, Y. Ono, T. Ohtsuki, S. Kettemann, A. Struck, B. Kramer
    Reference: Phys. Rev. B 78, 205303 (2008)
  16. Transport properties in network models with perfectly conducting channels

    preprint
    Authors: K. Kobayashi, K. Hirose, H. Obuse, T. Ohtsuki, K. Slevin
    Reference: J. Phys.: Conf. Ser. 150 (2009) 022041
  17. The quantum Hall effect in narrow quantum wires

    Authors: A. Struck, T. Kawarabayashi, A. Zhuravlev, T. Ohtsuki, B. Kramer, S. Kettemann
    Reference: Physica B, Vol 245 (2008) 393-408
  18. Quantum transport properties of quantum Hall wires in the presence of correlated disorder

    Authors: T. Kawarabayashi, Y. Ono, T. Ohtsuki, S. Kettemann, A. Struck, B. Kramer
    Reference: Physica E, Vol 40 (2008) 1072-1074
  19. Chalker-Coddington model described by an S-matrix with odd dimensions

    preprint
    Authors: K. Hirose, T. Ohtsuki, K. Slevin
    Reference: Physica E, Vol 40 (2008) 1677-1679
  20. Mesoscopic Hall effect driven by chiral spin order

    preprint
    Authors: J. Ohe, T. Ohtsuki, B. Kramer
    Reference: Phys. Rev. B 75 (2007)245313
  21. Unconventional conductance plateau transitions in quantum Hall wires with spatially correlated disorder

    Authors: T. Kawarabayshi, Y. Ono, T. Ohtsuki, S. Kettemann, A. Struck, B. Kramer
    Reference: Phys. Rev. B 75 (2007) 235317
  22. Quantum Network Models and their Symmetry Properties

    Authors: T. Ohtsuki, K. Slevin
    Reference: in "Topological Aspects of Critical Systems and Networks", ed. K. Yakubo et al., World Scientific (2007) 214-219.
  23. Spin-polarization induced by Rashba spin-orbit coupling in three-terminal devices

    Authors: M. Yamamoto, K. Dittmer, B. Kramer, T. Ohtsuki
    Reference: Physica E 32 (2006) 462-465
  24. Quantum transport phenomena in disordered electron systems with spin- orbit coupling in two dimensions and below

    Authors: Y. Asada, K. Slevin, T. Ohtsuki
    Reference: Physica E 34 (2006) 228-231
  25. Shubnikov-de Haas effect on conductance fluctuations in two-dimensional random magnetic fields

    Authors: T. Kawarabayashi, T. Ohtsuki
    Reference: Physica E 34 (2006) 104-107
  26. Possible Anderson transition below two dimensions in disordered systems of noninteracting electrons

    preprint
    Authors: Yoichi Asada, Keith Slevin, Tomi Ohtsuki
    Reference: Phys. Rev. B 73 (2006) 041102 (R)
  27. Spin polarization in a T-shape conductor induced by strong Rashba spin-orbit coupling

    preprint
    Authors: Masayuki Yamamoto, Tomi Ohtsuki, Bernhard Kramer
    Reference: Phys. Rev. B, 72 (2005) 115321
  28. Nonchiral Edge States at the Chiral Metal Insulator Transition in Disordered Quantum Hall Wires

    preprint
    Authors: A. Struck, B. Kramer, T. Ohtsuki, S. Kettemann
    Reference: Phys. Rev. B 72, 035339 (2005)
  29. Mesoscopic Stern-Gerlach spin filter by nonuniform spin-orbit interaction

    preprint
    Authors: Jun-ichiro Ohe, Masayuki Yamamoto, Tomi Ohtsuki, Junsaku Nitta
    Reference: Phys. Rev. B 72 (2005) 041308(R)
  30. Anderson Transition in the Three Dimensional Symplectic Universality Class

    pdf
    Authors: Y. Asada, K. Slevin, T. Ohtsuki
    Reference: J. Phys. Soc. Jpn. Suppl. 74 (2005) 238.
  31. Transport properties in disordered magnetic fields with a fixed sign

    pdf
    Authors: Tohru Kawarabayashi and Tomi Ohtsuki
    Reference: Phys. Rev. B 71 (2005) 045302 1-5.
  32. Random network models and quantum phase transitions in two dimensions

    preprint
    Authors: B. Kramer, T. Ohtsuki, S. Kettemann
    Reference: Physics Reports 417 (2005) 211--344
  33. The Mesoscopic Chiral Metal-Insulator Transition

    preprint
    Authors: S. Kettemann, B. Kramer, T. Ohtsuki
    Reference: JETP Lett. 80 (2004) 285-289.
  34. Numerical estimation of the beta bfunction in two-dimensional systems with spin-orbit coupling

    Authors: Y. Asada, K. Slevin, T. Ohtsuki
    Reference: Phys. Rev. B 70 (2004) 035115
  35. Complete Scaling Analysis of the Metal-Insulator Transition in Ge:Ga: Effects of Doping-Compensation and Magnetic Field

    pdf
    Authors: Kohei M. Itoh, Michio Watanabe, Youiti Ootuka, Eugene E. Haller, Tomi Ohtsuki
    Reference: J. Phys. Soc. Jpn. 73 (2004) 173-183.
  36. Conductance fluctuations in the presence of spin scattering

    pdf
    Authors: Junichiro Ohe, Masayuki Yamamoto and Tomi Ohtuski
    Reference: Phys. Rev. B 68 (2003) 165344, 1-5.
  37. Localization in the quantum Hall regime

    pdf
    Authors: B. Kramer, S. Kettemann, T. Ohtsuki
    Reference: Physica E 20 (2003) 172--187.
  38. 2 proceeding papres presented at EP2DS-15

  39. Magnetotransport in inhomogeneous magnetic fields

    pdf
    Authors: Tohru Kawarabayashi and Tomi Ohtuski
    Reference: Phys. Rev. B 67 (2003) 165309, 1-5.
  40. Scaling of the conductance distribution near the Anderson transition

    pdf
    Authors: Keith Slevin, Peter Markos, Tomi Ohtsuki
    Reference: Phys. Rev. B 67 (2003) 155106, 1-5.
  41. Corrections to single parameter scaling at the Anderson transition

    pdf
    Authors: Tomi Ohtuski and Keith Slevin
    Reference: Proceeding for the international workshop at the occasion for Professor Kramer's 60 years old birthday
  42. Transport Properties of Two Dimensional Electrons in Magnetic Fields with Sine-Like Modulation

    Authors: J. Yoshida, T. Ohtsuki
    Reference: J. Phys. Soc. Jpn. 72 (2003) 594.
  43. Electron Transport and Time Dependent Perturbation in a Two-Dimensional Disordered System

    Authors: H. Watanabe, T. Kawarabayashi, Y. Ono, T. Ohtsuki
    Reference: J. Phys. Soc. Jpn. 72 (2003) 645.
  44. The Anderson Transition in Two-Dimensional Systems with Spin-Orbit Coupling

    preprint
    Authors: Y. Asada, K. Slevin, T. Ohtsuki
    Reference: Phys. Rev. Lett. vol.89 (2002) 256601.
  45. 3 proceeding papres presented at LT23

  46. 7 proceeding papres presented at Localisation 2002

  47. Reconciling conductance fluctuations and the scaling theory of localization

    Authors: K. Slevin, P. Markos, T. Ohtsuki
    Reference: Phys. Rev. Lett. vol.86 (2001) 3594-3597
  48. Numerical verification of universality for the Anderson transition

    Authors: K. Slevin, T. Ohtsuki
    Reference: Phys. Rev. vol. B 63 (2001) 045108
  49. Topology dependent quantities at the Anderson transition

    preprint
    Authors: K. Slevin, T. Ohtsuki, T. Kawarabayashi
    Reference: Phys. Rev. Lett. vol.84 (2000) 3915-3918
  50. 3D quantum percolation studied by level statistics

    preprint
    Authors: A. Kaneko, Tomi Ohtsuki
    Reference: Annalen der Physik vol.8 (1999) 121-124.
  51. Review of recent progress on numerical studies of the Anderson transition

    preprint
    Authors: Tomi Ohtsuki, K. Slevin, T. Kawarabayashi
    Reference: Annalen der Physik vol.8 (1999) 675-684.
  52. Reply to "What is the right form of the probability distribution of the conductance at the mobility edge?"

    pdf
    Authors: Keith Slevin, Tomi Ohtsuki
    Reference: Phys. Rev. Lett. vol. 82 (1999) 669.
  53. Numerical study on Anderson transitions in three-dimensional disordered systems in random magnetic fields

    preprint
    Authors: T. Kawarabayashi,B. Kramer, Tomi Ohtsuki
    Reference: Annalen der Physik vol.8 (1999) 487-496.
  54. Three-Dimensional Quantum Percolation Studied by Level Statistics

    preprint
    Authors: Atsushi Kaneko, Tomi Ohtsuki
    Reference: J. Phys. Soc. Jpn. vol. 68 (1999) 1488-1491.
  55. Corrections to scaling at the Anderson transition

    preprint
    Authors: Keith Slevin, Tomi Ohtsuki
    Reference: Phys. Rev. Lett. vol. 82 (1999) 382-385.
  56. Transport in two dimensional periodic magnetic fields

    preprint
    Authors: Junji Yoshida, Tomi Ohtsuki, Yoshiyuki Ono
    Reference: 4 pages, 7 figures, J. Phys. Soc. Jpn. vol. 67 (1998) 3886.
  57. Universal conductance distribution in three dimensional systems in high magnetic fields

    preprint
    Authors: Tomi Ohtsuki, Keith Slevin, Tohru Kawarabayashi
    Reference: J. Phys.:Condensed Matter vol.10 (1998) 11337,Proceeding of the Oji internatinal seminar on "Quest for New Physical Phases under Extreme Conditions"
  58. Anderson transition of three dimensional phonon modes

    preprint
    Authors: Yasuyuki Akita, Tomi Ohtsuki
    Reference: J. Phys. Soc. Jpn. vol. 67 (1998) 2954
  59. Anderson transitions in three-dimensional disordered systems with randomly varying magnetic flux

    preprint
    Authors: T. Kawarabayashi, B. Kramer, T. Ohtsuki
    Reference: 4 pages, 2 figures, Phys. Rev. B 57 (1998) 11842.
  60. Numerical Study of Inelastic Scatterings by Time-Dependent Random Potentials in Two-Dimensional Systems

    preprint
    Authors: Takeshi Nakanishi, Tomi Ohtsuki
    Reference: 4 pages, 2 figures, Physica B vol. 249-251 (1998) 801.
  61. Novel Scaling Relation of the Energy Spacing Distribution in Quantum-Hall Systems

    preprint
    Authors: Imre Varga, Yoshiyuki Ono, Tomi Ohtsuki, Janos Pipek
    Reference: Phys. Stat. Sol. vol. 205 (1998) 373.
  62. The Anderson transition: time reversal symmetry and universality

    preprint
    Authors: Keith Slevin, Tomi Ohtsuki
    Reference: Physical Review Letters.vol. 78 (1997) 4083
  63. Dephasing by time-dependent random potentials

    preprint
    Authors: Takeshi Nakanishi (ETL), Tomi Ohtsuki (Sophia University), Tohru Kawarabayashi (ISSP)
    Reference: 4 pages, RevTeX, 3 postscript figures, J. Phys. Soc. Jpn.vol.66 (1997) 949; Errata vol. 71 (2002) 2074.
  64. Anomalous diffusion at the Anderson transitions

    preprint
    Authors: Tomi Ohtsuki, Tohru Kawarabayashi
    Reference: Revtex, 2 figures, J. Phys. Soc. Jpn. vol. 66 (1997) 314.
  65. Anderson transition in three-dimensional disordered systems with symplectic symmetry

    preprint
    Authors: T. Kawarabayashi, T. Ohtsuki, K. Slevin, Y. Ono
    Reference: 4 pages, revtex, Physical Review Letters. vol. 77 (1996) 3593.
  66. Scaling Behavior of Level Statistics in Quantum Hall Regime

    preprint
    Authors: Y. Ono, T. Ohtsuki, B. Kramer
    Reference: 16 pages, latex, 10 figures (postscript figures available on request to ono@polaron.ph.sci.toho-u.ac.jp), J. Phys. Soc. Jpn. vol. 65 (1996) 1734.
  67. Diffusion of electrons in two-dimensional disordered symplectic systems

    preprint
    Authors: Tohru Kawarabayashi, Tomi Ohtsuki
    Reference: 4 pages RevTeX. Figures are available on request either via fax or e-mail. Phys. Rev. B53 (1996) 6975.
  68. Critical Level Statistics in Two-dimensional Disordered Electron Systems

    preprint
    Authors: Tomi Ohtsuki, Yoshiyuki Ono
    Reference: LaTeX, J. Phys. Soc. Jpn. vol. 64 (1995) 4088, Figures will be sent on request
  69. Diffusion of electrons in random magnetic fields

    preprint
    Authors: Tohru Kawarabayashi, Tomi Ohtsuki
    Reference: 22 pages (8 figures will be mailed if requested), LaTeX, Phys. Rev. B51 (1995) 10897.