Researcher Profile and Settings

Researcher

• Name

  MORITA Yoshifumi

Profile and Settings

• Name

  Yoshifumi, MORITA

Research Activities

Research Interests

• Theoretical Physics

Published Papers

• Delocalized States of the Quantum Hall Effect in the Weak Magnetic Field, MORITA YOSIFUMI / Y.Hatsugai, 2000, PhysicaB, 284-288(1724-1725)
• Transitions from the Quantum Hall State to the Anderson Insulator: Fate of Delocalized States, MORITA YOSIFUMI / K.Ishibashi / Y.Hatsugai, 2000, Phys.Rev.B, 61(15952-15958)
• Sum Rule of Hall Conductance in a Random Quantum Phase Transition, MORITA YOSIFUMI / Y.Hatsugai / K.Ishibashi, 1999, Phys.Rev.Lett., 83(2246-2249)
• Vortex state in unconventional superconductivity, MORITA YOSIFUMI / K.Maki / H.Won / M.Kohmoto / J.Shiraishi / G.-F.Wang, 1999, PhysicaC, 317-318(353-360)
• Aspects of a single vortex in a d-wave superconductor, MORITA YOSIFUMI / M.Kohmoto / K.Maki, 1998, Int. J. of Mod. Phys. B, 12(989-1005)
• Superconducting correlation in the one-dimensional t-J model with anisotropic spin interaction, MORITA YOSIFUMI / J.Shiraishi / M.Kohmoto, 1997, J.Phys.A, 30(831-840)
• Quasi-Bound States of Two Magnons in the XXZ Spin Chain, MORITA YOSIFUMI / M.Kohmoto / T.Koma, 1997, J.Stat.Phys., 88(745-780)
• Low-lying excitations around a single vortex in a d-wave superconductor, MORITA YOSIFUMI / M.Kohmoto / K.Maki, 1997, Europhys.Lett., 40(207-211)
• Collapse of the charge gap in random Mott insulators, MORITA YOSIFUMI / Y.Otsuka / Y.Hatsugai, 1998, Phys.Rev.B, 58(15314-15316)
• Disordered critical wavefunctions of two-dimensional Dirac fermions on a lattice, MORITA YOSIFUMI / Y.Hatsugai / X.-G.Wen / M.Kohmoto, 1998, PhysicaB, 249-251(796-800)
• Scaling near random criticality in two-dimensional Dirac fermions, MORITA YOSIFUMI / Y.Hatsugai, 1998, Phys.Rev.B, 58(6680-6683)
• Near Critical States of Random Dirac Fermions, MORITA YOSIFUMI / Y.Hatsugai, 1997, Phys.Rev.Lett., 79(3728-3731)
• Vertex Operators of the q-Virasoro Algebra, MORITA YOSIFUMI / H.Awata / H.Kubo / S.Odake / J.Shiraishi, 1997, Letters in Mathematical Physics, 41(65-78)
• Beyond the Conformal Field Theory, MORITA YOSIFUMI / H.Awata / H.Kubo / S.Odake / J.Shiraishi, 1998, BUTSURI, 53(170-180)
• Plateau transitions in the pairing model: Topology and selection rule, MORITA YOSIFUMI / Y.Hatsugai, 2000, Phys.Rev.B, 62(99-102)
• Quasi-Particle Spectra around a Single Vortex in a d-wave Superconductor, MORITA YOSIFUMI / M.Kohmoto / K.Maki, 1997, Phys.Rev.Lett., 78(4841-4844)
• Exact results for the excitonic phase, MORITA YOSIFUMI / Y.Hatsugai / M.Kohmoto, 1996, J.Phys.:Condens.Matter, 8(4767-4774)
• Exact results on superconductivity due to interband coupling, MORITA YOSIFUMI / Y.Hatsugai / M.Kohmoto, 1996, Phys.Rev.B, 53(8561-8565)
• Universal correlations in random matrices and one-dimensional particles with long-range interactions in a confinement potential, MORITA YOSIFUMI / Y.Hatsugai / M.Kohmoto, 1995, Phys.Rev.B, 52(4716-4719)
• Triplet Superconductivity in a Nutshell, K.Maki, H.-Y.Lee and Y.Morita, Apr. 2009, Journal of Superconductivity and Novel Magnetism
• New Paradigm of Triplet Superconductivity, H.-Y.Kee, Y.Morita and K.Maki, Apr. 2009, ACTA PHYSICA POLONICA A
• Thermal and quantum phase slips in niobium-nitride nanowires based on suspended carbon nanotubes, Masuda, Kohei; Moriyama, Satoshi; Morita, Yoshifumi; Komatsu, Katsuyoshi; Takagi, Tasuku; Hashimoto, Takayuki; Miki, Norihisa; Tanabe, Takasumi; Maki, Hideyuki, 2016, APPLIED PHYSICS LETTERS

  DOI
• Field-induced confined states in graphene, Moriyama, Satoshi; Morita, Yoshifumi; Watanabe, Eiichiro; Tsuya, Daiju, 2014, APPLIED PHYSICS LETTERS

  DOI
• Coulomb blockade behavior in nanostructured graphene with direct contacts, Moriyama, Satoshi; Morita, Yoshifumi; Watanabe, Eiichiro; Tsuya, Daiju, 2013, MATERIALS EXPRESS

  DOI

Presentations

• Electron transport in ultra-thin gold nano wires as quantum dots, S. Moriyama, M. Yoshihira, Y. Morita, H. Guerin, Y. Ochi, H. Kura, T. Ogawa, T. Sato and H. Maki, ISANN2013, 08 Dec. 2013
• Single-electron transport in ultra-thin gold nano wires, S. Moriyama, M. Yoshihira, Y. Morita et al., 29 Jan. 2014
• One-dimensional superconductivity in Niobium-Nitride nanowires on suspended carbon nanotubes, S. Moriyama, T. Hashimoto, Y. Morita et al., MANA International Synposium 2014, 05 Mar. 2014
• Field-induced confinement and quantum transport in grapheme, S. Moriyama, Y. Morita et al., PacSurf2014, 07 Dec. 2014
• Phase slips in superconducting NbN nano wires based on suspended carbon nanotubes, K. Masuda, T. Hashimoto, S. Moriyama, Y. Morita et al., The 16 international Conference on the Science and Application of Nanotubes, 29 Jun. 2015