高根 美武Yositake Takane

Last Updated :2018/12/03

所属・職名
大学院先端物質科学研究科 量子物質科学講座 教授
メールアドレス
takanehiroshima-u.ac.jp

基本情報

主な職歴

  • 1993年04月01日, 1995年09月30日, 大阪市立大学, 工学部, 助手
  • 1995年10月01日, 2000年03月31日, 大阪市立大学, 工学部, 講師
  • 2000年04月01日, 2007年10月31日, 広島大学, 工学部, 助教授
  • 2007年11月01日, 広島大学, 大学院先端物質科学研究科, 教授

学歴

  • 東北大学, 工学部, 電子工学科, 日本, 1984年04月, 1988年03月
  • 東北大学大学院, 工学研究科, 電子工学専攻, 日本, 1988年04月, 1993年03月

学位

  • 博士(工学) (東北大学)
  • 工学修士 (東北大学)

教育担当

  • 工学部:第二類(電気電子・システム情報系), 先端物質科学研究科:量子物質科学専攻, 先端物質科学研究科:量子物質科学専攻

担当主専攻プログラム

  • 電子システムプログラム

研究分野

  • 総合理工 / ナノ・マイクロ科学 / ナノ構造物理
  • 工学 / 電気電子工学 / 電子・電気材料工学
  • 数物系科学 / 物理学 / 物性Ⅰ

研究キーワード

  • メゾスコピック系
  • グラフェン
  • トポロジカル絶縁体

所属学会

  • 日本物理学会

教育活動

授業担当

  1. 2018年, 学部専門, 2ターム, 電子物性基礎
  2. 2018年, 学部専門, 4ターム, 量子力学
  3. 2018年, 修士課程・博士課程前期, セメスター(前期), 応用量子科学コースセミナー
  4. 2018年, 修士課程・博士課程前期, セメスター(後期), 応用量子科学コースセミナー
  5. 2018年, 修士課程・博士課程前期, セメスター(前期), 量子物理学
  6. 2018年, 修士課程・博士課程前期, 通年, 量子物質科学特別研究Ⅰ
  7. 2018年, 修士課程・博士課程前期, 年度, 量子物質科学特別研究Ⅰ
  8. 2018年, 博士課程・博士課程後期, 年度, 量子物質科学特別研究II

研究活動

学術論文(★は代表的な論文)

  1. Spontaneous Charge Current in a Doped Weyl Semimetal, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 87巻, 7号, JUL 15 2018
  2. Short Ballistic Josephson Coupling in Planar Graphene Junctions with Inhomogeneous Carrier Doping, Physical Review Letters, 120巻, 7号, FEB 16 2018
  3. Regularized Framework of a Weyl Equation for Describing a Weyl Semimetal: Application to the Case with a Screw Dislocation, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86巻, 12号, DEC 15 2017
  4. Chiral Surface States on the Step Edge in a Weyl Semimetal, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86巻, 10号, 20171015
  5. Andreev Reflection in a Bilayer Graphene Junction: Role of Spatial Variation of the Charge Neutrality Point, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 86巻, 6号, 20170615
  6. Disorder Effect on Chiral Edge Modes and Anomalous Hall Conductance in Weyl Semimetals, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 85巻, 12号, 20161215
  7. Finite-Size Scaling Analysis of the Conductivity of Dirac Electrons on a Surface of Disordered Topological Insulators, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 85巻, 9号, 20160915
  8. Time-Dependent Ginzburg-Landau Equation and Boltzmann Transport Equation for Charge-Density-Wave Conductors, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 85巻, 8号, 20160815
  9. Weak Topological Insulators with Step Edges: Subband Engineering and Its Effect on Electron Transport, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 85巻, 3号, 20160315
  10. Dephasing-Induced Stabilization of a Perfectly Conducting Channel in Disordered Graphene Nanoribbons with Zigzag Edges, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 85巻, 1号, 20160115
  11. Regularization of a Massless Dirac Model to Describe Anomalous Electromagnetic Response of Weyl Semimetals, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 85巻, 1号, 20160115
  12. Manipulating quantum channels in weak topological insulator nanoarchitectures, PHYSICAL REVIEW B, 92巻, 19号, 20151123
  13. Landau Levels on a Surface of Weak Topological Insulators, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 84巻, 8号, 20150815
  14. Time-dependent Ginzburg-Landau equation of charge-density-waves and numerical simulation of the sliding, PHYSICA B-CONDENSED MATTER, 460巻, pp.6-pp.10, 20150301
  15. Noninvasive Metallic State, JPS Conference Proceedings, 4巻, pp.013005, 20150615
  16. Effective Model for Massless Dirac Electrons on a Surface of Weak Topological Insulators, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 83巻, 12号, 20141201
  17. Delocalization of Surface Dirac Electrons in Disordered Weak Topological Insulators, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 83巻, 10号, 20141015
  18. Local Density of States in a Helical Tomonaga-Luttinger Liquid of Loop and Josephson Junction Geometries, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 83巻, 4号, 201404
  19. One-dimensional topological insulator: A model for studying finite-size effects in topological insulator thin films, PHYSICAL REVIEW B, 89巻, 12号, 20140324
  20. Superconducting Proximity Effect on a Two-Dimensional Dirac Electron System, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 83巻, 1号, 20140101
  21. Perfectly conducting channel on the dark surface of weak topological insulators, PHYSICAL REVIEW B, 88巻, 4号, 20130703
  22. Unified Description of Dirac Electrons on a Curved Surface of Topological Insulators, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 82巻, 7号, 201307
  23. Protection of the surface states in topological insulators: Berry phase perspective, PHYSICAL REVIEW B, 87巻, 20号, 2013
  24. Finite-size energy gap in weak and strong topological insulators, PHYSICAL REVIEW B, 86巻, 24号, 2012
  25. Spherical topological insulator, PHYSICAL REVIEW B, 86巻, 23号, 2012
  26. Quasiclassical Theory of the Josephson Effect in Ballistic Graphene Junctions, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 81巻, 9号, 2012
  27. Dirac Electrons on a Sharply Edged Surface of Topological Insulators, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 81巻, 9号, 2012
  28. Spin Berry phase in the Fermi-arc states, PHYSICAL REVIEW B, 84巻, 24号, 20111212
  29. Spin Berry phase in anisotropic topological insulators, PHYSICAL REVIEW B, 84巻, 19号, 2011
  30. Weak topological insulator with protected gapless helical states, PHYSICAL REVIEW B, 84巻, 3号, 20110727
  31. 高感度カンチレバー磁力計で永久電流を検出, パリティ, 26巻, 1号, pp.76-pp.79, 20110101
  32. Electronic States and Local Density of States in Graphene with a Corner Edge Structure, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 80巻, 5号, 20110510
  33. Anomalous Enhancement of the Boltzmann Conductivity in Disordered Zigzag Graphene Nanoribbons, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 79巻, 2号, 201002
  34. Electronic transport properties and perfectly conducting channel of the disordered graphene nanoribbons, AIP Conf. Proc., 1199巻, pp.539-pp.540, 20100101
  35. Electronic transport properties of graphene nanoribbons, NEW JOURNAL OF PHYSICS, 11巻, 2009
  36. Average and Second Moment of the Conductance of Randomly Coupled Chiral Channels, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 78巻, 9号, 200909
  37. Hamiltonian Decomposition for Bulk and Surface States, PHYSICAL REVIEW LETTERS, 102巻, 14号, 2009
  38. Nearly perfect single-channel conduction in disordered armchair nanoribbons, PHYSICAL REVIEW B, 79巻, 12号, 2009
  39. Conductance Distribution in Disordered Quantum Wires with a Perfectly Conducting Channel, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 78巻, 3号, 2009
  40. Electronic transport properties of disordered graphene nanoribbons, J. Phys.: Conf. Ser., 150巻, pp.022097 (4 pages), 20090301
  41. Spin Injection and Detection in a Mesoscopic Superconductor at Low Temperatures, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 78巻, 2号, 2009
  42. Charge Imbalance Transport in a Superconducting Wire with Spatial Variation of Pair Potential Amplitude, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 78巻, 6号, 2009
  43. Edge effect on electronic transport properties of graphene nanoribbons and presence of perfectly conducting channel, CARBON, 47巻, 1号, pp.124-pp.137, 200901
  44. Magnetic field effect on charge imbalance conversion in superconducting wires, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 77巻, 9号, 2008
  45. Conductance fluctuations in disordered wires with perfectly conducting channels, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 77巻, 5号, 2008
  46. Asymptotic behavior of the conductance in disordered wires with perfectly conducting channels, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 77巻, 1号, 200801
  47. Averaged conductance of the three-edge Chalker-Coddington model, J. Phys. Soc. Jpn., 76巻, 8号, pp.083710 (1-4), 20070801
  48. ★, Perfectly conducting channel and universality crossover in disordered graphene nanoribbons, PHYSICAL REVIEW LETTERS, 99巻, 3号, 20070720
  49. Conductance of disordered wires with unitary symmetry: Role of perfectly conducting channels, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 76巻, 5号, 200705
  50. Influence of charge and energy imbalances on the tunneling current through a superconductor-normal metal junction, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 76巻, 4号, 200704
  51. Distribution of transmission eigenvalues in disordered wires with symplectic symmetry, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 76巻, 3号, 2007
  52. Random-matrix theory of electron transport in disordered wires with symplectic symmetry, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 75巻, 5号, 2006
  53. Random-matrix approach to the Josephson effect in a disordered wire with symplectic symmetry, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 75巻, 12号, 200612
  54. Boltzmann equations for spin and charge relaxations in superconductors, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 75巻, 7号, 200607
  55. Random-matrix theory of electron transport in disordered wires with symplectic symmetry, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 75巻, 5号, 2006
  56. Weak localization in multiwall carbon nanotubes in a perpendicular magnetic field, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 75巻, 4号, 200604
  57. Pulse control of decoherence with population decay, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 75巻, 2号, 200602
  58. Charge imbalance relaxation in superconductors at low temperatures, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 75巻, 2号, 200602
  59. Pulse control of dephasing in two-level quantum systems, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 74巻, 8号, pp.2243-pp.2248, 200508
  60. Conductance and its variance of disordered wires with symplectic symmetry in the metallic regime, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 74巻, 5号, pp.1521-pp.1524, 200505
  61. Nucleation of 2 pi-phase soliton in charge-density-wave systems, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 74巻, 3号, pp.847-pp.850, 200503
  62. Pulse Control of Decoherence in a Qubit Coupled with a Quantum Environment, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 74巻, 2005
  63. Conductance of disordered wires with symplectic symmetry: Comparison between odd- and even-channel cases, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 73巻, 9号, pp.2366-pp.2369, 200409
  64. Quantum electron transport in disordered wires with symplectic symmetry, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 73巻, 6号, pp.1430-pp.1433, 200406
  65. Josephson current through a metallic carbon nanotube in the conductance-quantization regime, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 73巻, 5号, pp.1111-pp.1114, 200405
  66. Test-particle approach to electron dephasing in an open mesoscopic cavity, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 73巻, 3号, pp.764-pp.765, 200403
  67. ★, DMPK equation for transmission eigenvalues in metallic carbon nanotubes, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 73巻, 1号, pp.9-pp.12, 200401
  68. Random-matrix approach to quantum electron transport in metallic carbon nanotubes, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 72巻, 11号, pp.2710-pp.2713, 200311
  69. Synchronized phase slips in a mesoscopic charge-density-wave system, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 72巻, 8号, pp.1835-pp.1838, 200308
  70. Dephasing due to spin-wave excitations in ferromagnetic metals, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 72巻, 5号, pp.1155-pp.1160, 200305
  71. Coulomb blockade of phase slip in mesoscopic charge-density-wave systems, PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, 18巻, 1-3号, pp.262-pp.263, 200305
  72. Quantum interference effect on the conductance of a ferromagnetic wire with a domain wall, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 72巻, 3号, pp.634-pp.644, 200303
  73. Anomalous behavior of the dephasing time in open diffusive cavities, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 72巻, 2号, pp.233-pp.236, 200302
  74. Dephasing of the quantum interference effect in open ballistic billiards, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 71巻, 11号, pp.2617-pp.2620, 200211
  75. Quantum nucleation of phase slip in charge-density-wave systems: Role of long-range Coulomb interactions, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 71巻, 8号, pp.1824-pp.1827, 200208
  76. Coulomb blockade of the collective current in charge-density-wave systems, J. Phys. Soc. Jpn., 71巻, 4号, pp.1019-pp.1022, 20020401
  77. DC Josephson effect in a Tomonaga-Luttinger liquid, J. Phys. Soc. Jpn., 71巻, 2号, pp.550-pp.568, 20020201
  78. Ferromagnetic resonance effect on resistivity in mesoscopic structures, J. Phys. Soc. Jpn., 71巻, 2号, pp.662-pp.663, 20020201
  79. Pairing correlation effect on the zero-bias tunneling spectra of ultrasmall superconducting grains, J. Phys. Soc. Jpn., pp.2497-pp.2500, 20010901
  80. Phase slip in mesoscopic charge-density-wave systems, J. Phys. Soc. Jpn., pp.1869-pp.1872, 20010701
  81. Pairing correlation effect on the resonant tunneling conductance through an ultrasmall superconducting grain, Physica C, pp.200-pp.203, 20010401
  82. Fluctuation paraconductivity in superconducting multilead structures above the transition temperature, J. Phys. Soc. Jpn., pp.498-pp.504, 20010201
  83. Influence of a driven magnetic domain wall on resistivity in a thin ferromagnetic wire, J. Phys. Soc. Jpn., pp.25-pp.28, 20010101
  84. Resistivity due to domain wall excitations in thin wires of ferromagnetic metals, J. Phys. Soc. Jpn., pp.3170-pp.3173, 20001001
  85. Conductance fluctuations in a superconductor-dirty normal conductor-superconductor junction, J. Phys. Soc. Jpn., pp.3007-pp.3016, 20000901
  86. Suppression of the weak-localization effect in mesoscopic wires of ferromagnetic metals, J. Phys. Soc. Jpn., pp.328-pp.331, 20000201
  87. Low-frequency plasma mode and its effect on the tunneling density of states in thin superconducting wires, J. Phys. Soc. Jpn., pp.2514-pp.2517, 19990801
  88. Effects of Coulomb interaction on the density of states in open chaotic billiards, J. Phys. Soc. Jpn., pp.20-pp.23, 19990101
  89. Phase relaxation time in open chaotic billiards, J. Phys. Soc. Jpn., pp.3003-3005., 19980501
  90. Multilevel effect on the Josephson current through a quantum dot, J. Phys. Soc. Jpn., pp.1525-pp.1528, 19980501
  91. バリスティック系の量子輸送と量子カオス, 日本物理学会誌, 53巻, 4号, pp.251-pp.258, 19980401
  92. Influence of small-angle diffraction on the ballistic conductance fluctuations in chaotic billiards, J. Phys. Soc. Jpn., pp.397-pp.400, 19980201
  93. ★, Semiclassical analysis of the ballistic weak localization in chaotic billiards, J. Phys. Soc. Jpn., 66巻, 10号, pp.2977-pp.2980, 19971001
  94. ★, Josephson current through a one-dimensional interacting electron gas, J. Phys. Soc. Jpn., 66巻, 3号, pp.537-pp.540, 19970301
  95. Mesoscopic fluctuations of the dc Josephson current in a dirty SNS junction, J. Phys. Soc. Jpn., pp.430-pp.441, 19970201
  96. Andreev conductance of a one-dimensional interacting electron gas coupled with a superconductor, J. Phys. Soc. Jpn., pp.419-pp.424, 19970201
  97. Superconducting proximity effect on a one-dimensional interacting electron gas, J. Phys. Soc. Jpn., pp.3630-pp.3637, 19961101
  98. Numerical study on Josephson-current fluctuations in a dirty SNS junction: The effect of incomplete Andreev reflection, J. Phys. Soc. Jpn., pp.683-pp.686, 19960301
  99. Influence of electromagnetic environment on tunneling current through normal metal-superconductor junctions, J. Phys. Soc. Jpn., pp.4530-pp.4534, 19951201
  100. 1/f^2 law in one-dimensional quantum transport: an example of weak chaos in quantum systems, Chaos, Solitons and Fractals, pp.1077-pp.1083, 19950501
  101. Fluctuations of the dc Josephson current in a superconductor-normal conductor-superconductor junction, J. Phys. Soc. Jpn., pp.1466-pp.1470, 19950501
  102. Quasiparticle transport at the interface between the normal conductor and the d-wave superconductor, J. Phys. Soc. Jpn., 64巻, 2号, pp.565, 199502
  103. Josephson-current fluctuations in dirty SNS junctions, J. Phys. Soc. Jpn., 63巻, 12号, pp.4310, 199412
  104. Spin-disordered state in the antiferromagnetic Heisenberg model on the triangular lattice, Phys. Rev. B, 50巻, 13号, pp.9589, 199410
  105. Magnetoconductance in open billiards: comparison between circle and stadium, J. Phys. A, 27巻, 17号, pp.5889, 199409
  106. Magnetoconductance in open stadium billiard: quantum analogue of transition from chaos to tori, J. Phys. Soc. Jpn., 63巻, 9号, pp.3210, 199409
  107. Weak localization in metallic wire systems in contact with a superconductor, J. Phys. Soc. Jpn., 63巻, 9号, pp.3361, 199409
  108. Weak chaos in one-dimensional quantum transport: The 1/f^2 law and the breakdown of the law of large numbers, Phys. Rev. E, 50巻, 2号, pp.1700, 199408
  109. Enhancement of conductance fluctuations in normal metals sandwiched between superconductors, J. Phys. Soc. Jpn., 63巻, 8号, pp.2849, 199408
  110. Application of cluster variation method to three-dimensional t-J model, J. Phys. Soc. Jpn., 63巻, 8号, pp.2909, 199408
  111. Fluctuations of the critical current through Josephson junctions with dirty normal metal barriers, J. Phys. Soc. Jpn., 63巻, 7号, pp.2668, 199407
  112. Three-dimensional t-J model and cluster variation method, Physica B, 194-196巻, pp.481, 199402
  113. Excitations in the vortex state of pure type-II superconductors, J. Phys. Soc. Jpn., 62巻, 9号, pp.2999, 199309
  114. Numerical study on the conductance of normal superconductor contacts, J. Phys. Soc. Jpn., 62巻, 6号, pp.1844, 199306
  115. Conductance of normal-superconductor contacts due to Andreev reflection, J. Phys. Soc. Jpn., 61巻, 10号, pp.3466, 199210
  116. Conductance and its fluctuations of mesoscopic wires in contact with a superconductor, J. Phys. Soc. Jpn., 61巻, 8号, pp.2858, 199208
  117. ★, Conductance formula for mesoscopic systems with a superconducting segment, J. Phys. Soc. Jpn., 61巻, 5号, pp.1685, 199205
  118. Phase coherence of normal electrons in mesoscopic wire structures with superconducting segments in the diffusive regime, Physica C, 185-189巻, pp.2703, 199112
  119. Conductance fluctuations in small normal and superconductor composite wire systems, J. Phys. Soc. Jpn., 60巻, 9号, pp.3130, 199109

外部資金

競争的資金等の採択状況

  1. 科学研究費助成事業(基盤研究(C)), トポロジカル絶縁体表面のディラック電子系に対するメゾスコピック効果, 2015年, 2017年
  2. 科学研究費助成事業(基盤研究(C)), ディラック電子系に対する超伝導近接効果, 2012年, 2014年
  3. 科学研究費助成事業(基盤研究(C)), 完全透過チャネルを有する乱れた量子細線系における電気伝導, 2009年, 2011年
  4. 科学研究費助成事業(基盤研究(C)), 量子輸送現象に対するランダム行列理論の応用, 2004年, 2006年