小泉 裕康(コイズミ ヒロヤス)

研究者情報全体を表示

論文
  • Ru-O orbital hybridization and orbital occupation in SrRuO3: A magnetic Compton-profile study
    N. Hiraoka; M. Itou; A. Deb; Y. Sakurai; Y. Kakutani; A. ...
    Physical Review B/70/p.054420-1,4, 2004-01
  • Geometric Phase Current in Solids: Derivation in a Path-Integral Approach.
    H. Koizumi; Y. Takada
    Phys. Rev. B/65/p.153104-153107, 2002-01
  • Ab initio cluster study of the local lattice instability in La2-2xSr1+2x Mn2O7
    S. Uzuhara; H. Koizumi; S. Miyaki; K. Makoshi
    Chem. Phys. Lett./358/p.29-35, 2002-01
  • Ab initio cluster study of the bilayer manganite La2-2x Sr1+2xMn2O7
    S. Miyaki; H. Koizumi; K. Makoshi
    Chem. Phys. Lett./350/p.359-366, 2001-01
  • Comment on “Charge-Orbital Stripe Structure in La1-xCaxMnx (x=1/2,2/3)”
    T. Hotta; E. Dagotto; H. Koizumi; Y. Takada
    Phys. Rev. Lett./86/p.2478-2478, 2001-01
  • Study of the eg orbitals in the bilayer Manganite La 2-2xSr1+2xMn2O7 by using magnetic Compton profile measurement
    A.Koizumi; S. Miyaki; Y. Kakutani; H. Koizumi; N. Hiraoka...
    Phys. Rev. Lett./86/p.5589-5592, 2001-01
  • Multiple lines of conical intersections and nondegenerate ground state in T × t2 Jahn-Teller systems.
    H. Koizumi; I. B. Bersuker; J. E. Boggs; V. Z. Polinger
    J. Chem. Phys./112/p.8470-8482, 2000-01
  • Topological Scenario for Stripe Formation in Manganese Oxides.
    T. Hotta; Y. Takada; H. Koizumi; E. Dagotto
    Phys. Rev. Lett./84/p.2477-2480, 2000-01
  • Stripes in manganites.
    T. Hotta; E. Dagotto; H. Koizumi; Y. Takada
    Int. J. Mod. Phys. B/14/p.3494-34992, 2000-01
  • U(1) gauge symmetry breaking by a Berry phase in a crystal with a doubly-degenerate electronic band.
    H. Koizumi
    Phys. Rev. B/59/p.8428-8431, 1999-01
  • Multiconical intersections and nondegenerate ground state in E × e Jahn-Teller systems.
    H. Koizumi; I. B. Bersuker
    Phys. Rev. Lett./83/p.3009-3012, 1999-01
  • Location of conical intersections by the Pancharatnam connection and the sign-change theorem of Longuet-Higgins: A model calculation with H4 potential surfaces.
    Y. Fukumoto; H. Koizumi; K. Makoshi
    Chem. Phys. Lett./313/p.283-292, 1999-01
  • Stripe structure and the Berry-phase Connection: Concept of geometric Energy.
    Y. Takada; T. Hotta; H. Koizumi
    Int. J. Mod. Phys. B/13/p.3778-3782, 1999-01
  • Role of the Berry phase in the formation of stripes in manganese oxides.
    T. Hotta; Y. Takada; H. Koizumi
    Int. J. Mod. Phys. B/12/p.3437-3456, 1998-01
  • Elongation of Simple Metal Clusters in a Strong Magnetic Field
    H. Koizumi
    AIP Conference Proceedings 416, Similarities and Differences between Atomic Nuclei and Clusters/416/p.435-446, 1998-01
  • Bloch Electrons in a Jahn-Teller Crystal and an Orbital-Density-Wave State due to the Berry Phase.
    H. Koizumi; T. Hotta; Y. Takada
    Phys. Rev. Lett./80/p.4518-4521, 1998-01
  • Semiclassical analysis of shell structure in large spheroidal fermion systems.
    A.G. Magner; S.N. Fedotkin; F.A. Ivanyuk; P. Meier; M. B...
    Ann. Phys/6/p.555-594, 1997-01
  • Theoretical study of fission of simple metal clusters using jellium model.
    H. Koizumi; S.Sugano
    Surf. Rev. Lett./3/p.613-616, 1996-01
  • Fission of metal clusters: a comparison of Jellium model calculations and shell correction method calculations.
    H. Koizumi; Y. Fukumoto
    Int. J. Quant. Chem./30/p.489-495, 1996-01
  • Geometric Phase in Jahn-Teller Crystals.
    H. Koizumi
    Phys. Rev. Lett./81/p.491, 1996-01
  • The dynamical Jahn-Teller problem in X3 Exe systems.
    H. Koizumi; S.Sugano
    Surf. Rev. Lett./3/p.317-321, 1996-01
  • Fragment spin multiplicities in the fission Ag232+ → Ag12+ + Ag11+.
    H.Koizumi; S.Sugano; +小泉 裕康
    Phys. Rev. A/51/p.R886-R889, 1995-01
  • Geometric phase in two Kramers doublets molecular systems.
    H.Koizumi; S.Sugano; +小泉 裕康
    J. Chem. Phys./102/p.4472-4481, 1995-01
  • Shell effects in fission of charged metal clusters.
    S. Sugano; H. Koizumi
    Comments At. Mol. Phys./31/p.427-443, 1995-01
  • The geometric phase in two electronic level systems.
    H. Koizumi; S. Sugano
    J. Chem. Phys./101/p.4903- 4913, 1994-01
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