Mathematical Structure in the Quantum Interference Effects of Nodal Quasiparticles and its Application to Graphite etc.

• Project/Area Number: 19740230
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Mathematical physics/Fundamental condensed matter physics
• Research Institution: Gunma University
• Principal Investigator: MORITA Yoshifumi Gunma University, 大学院工学研究科, 准教授 (10292898)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,690,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥390,000); Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000); Fiscal Year 2007: ¥2,000,000 (Direct Cost: ¥2,000,000)
• Keywords: 数理物理 / 情報基礎 / 超伝導材料素子 / 物性基礎論 / ナノ材料

Research Abstract

グラファイト(グラフェン)における量子干渉効果のうち、[1]状態密度および電気伝導度における欠陥による量子効果(非自明な指数をともなう低次元量子臨界現象の発現)[2]欠陥のまわりの局所状態密度(あたらしい共鳴状態の発見およびSTM実験への予言)に関して知見を得た。さらには、ノード的準粒子の発現は、グラファイト(グラフェン)のみならず2次元d波超伝導をはじめとした近年注目を集めている新奇な超伝導体、さらには有機導体をはじめとしたいくつかの強く相互作用する電子系でもその可能性が提案されている。それらを念頭に分野横断型の分析を発展させた。

Research Products

• [Journal Article] New Paradigm of Triplet Superconductivity (2009)
  • Author(s): H.-Y.Kee, Y.Morita and K.Maki
  • Journal Title: ACTA PHYSICA POLONICA A 115巻 Pages: 73-76
  • Peer Reviewed
• [Journal Article] Triplet Superconductivity in a Nutshell (2009)
  • Author(s): K.Maki, H.-Y.Kee and Y.Morita
  • Journal Title: Journal of Superconductivity and Novel Magnetism 22巻 Pages: 71-74
  • Peer Reviewed
• [Journal Article] Triplet Superconductivity in a Nutshell (2009)
  • Author(s): K.Maki, H.-Y.Kee and Y.Morita
  • Journal Title: Journal of Superconductivity and Novel Magnetism 22 Pages: 71-74
  • Peer Reviewed
• [Journal Article] New Paradigm of Triplet Superconductivity (2009)
  • Author(s): H.-Y.Kee, Y.Morita and K.Maki
  • Journal Title: ACTA PHYSICA POLONICA A 115 Pages: 73-76
  • Peer Reviewed
• [Journal Article] Vortex Motion in quasi-2D d-wave Superconductors (2008)
  • Author(s): Y.Morita and K.Maki
  • Journal Title: phys. stat. sol. (b) 245巻 Pages: 986-991
  • Peer Reviewed
• [Journal Article] Vortex Motion in quasi-2D d-wave Superconductors (2008)
  • Author(s): Y.Morita and K.Maki
  • Journal Title: phys. stat. sol. (b) 245 Pages: 986-991
  • Peer Reviewed
• [Journal Article] High Tc cuprate superconductivity as a new paradigm (2007)
  • Author(s): H.Won, Y.Morita and K.Maki
  • Journal Title: phys.stat.sol.(b) 244巻 Pages: 4371-4385
  • Peer Reviewed
• [Journal Article] Quantum effects in (2+1)-dimensional Dirac fermion and nodal superconductivity (2007)
  • Author(s): Y.Morita
  • Journal Title: phys.stat.sol.(b) 244巻 Pages: 2508-2512
• [Journal Article] Quantum effects in (2+1)-dimensional Dirac fermionn and nodal superconductivity (2007)
  • Author(s): Y. Morita
  • Journal Title: phys. stat. sol. (b) 244 Pages: 2508-2512
  • Peer Reviewed
• [Journal Article] High Tc cuprate superconductivity as a new paradigm (2007)
  • Author(s): H. Won, Y. Morita and K. Maki
  • Journal Title: phys. stat. sol. (b) 244 Pages: 4371-4385
  • Peer Reviewed
• [Presentation] (2+1)-dim. Dirac fermion and nodal superconductivity (2007)
  • Author(s): Y.Morita
  • Organizer: MSM
  • Place of Presentation: Khiva(Uzbekistan)
• [Presentation] Quantum Algebra in Condensed Matter:the tJ and Azbel-Hofstadter model (2007)
  • Author(s): Y.Morita
  • Organizer: ISQS
  • Place of Presentation: Prague(Czech Republic)
• [Presentation] Quantum Algebra in Condensed Matter: the tJ and Azbel-Hofstadter model (2007)
  • Author(s): Y. Morita
  • Organizer: ISQS
  • Place of Presentation: Prague (Czech Republic)
• [Presentation] (2+1)-dim. Dirac fermion and nodal superconductivity (2007)
  • Author(s): Y. Morita
  • Organizer: MSM
  • Place of Presentation: Khiva (Uzbekistan)
• [Book] LECTUERS ON THE PHYSICS OF STRONGLY CORRELATED SYSTEMS XI (2007)
  • Author(s): Y.Morita, Melville
  • Total Pages: 4
• [Book] LECTUERS ON THE PHYSICS OF STRONGLY CORRELATED SYSTEMS XI (2007)
  • Author(s): Y. Morita
  • Total Pages: 4
  • Publisher: Melville