Recent Preprints

• "Superconducting Gap Modulation in Weak Stripe States"
  Masanori Ichioka, Kazushige Machida
  ( http://xxx.arxiv.org/abs/cond-mat/0205504 ).
  
  
• "Reentrant vortex lattice transformation in four-fold symmetric superconductors"
  N. Nakai, P. Miranovi\' c, M. Ichioka, K. Machida
  ( http://xxx.arxiv.org/abs/cond-mat/0205245 ).
  
  
• "Field dependence of the vortex structure in chiral p-wave superconductors"
  Masanori Ichioka, Kazushige Machida
  ( http://xxx.arxiv.org/abs/cond-mat/0205012 ).
  
  
• "Relation between Vortex Excitation and Thermal Conductivity in Superconductors"
  Mitsuaki Takigawa, Masanori Ichioka, Kazushige Machida
  ( http://xxx.arxiv.org/abs/cond-mat/0204127 ).
  
  

Published

• "Soliton excitations in halogen-bridged mixed-valence binuclear metal complexes"
  Shoji Yamamoto, Masanori Ichioka
  Journal of the Physical Society of Japan 71 (2002) 189-196.
  ( http://xxx.arxiv.org/abs/cond-mat/0110507 ).
  
  
• "Field Dependence of Electronic Specific Heat in Two-Band Superconductors"
  Noriyuki Nakai, Masanori Ichioka, Kazushige Machida
  J. of Phys. Soc.Jpn. 70 (2001) 23-26.
  ( http://xxx.arxiv.org/abs/cond-mat/0111088 ).
  
  
• "Phonon anomalies due to stripe collective modes in high T_c cuprates"
  Eiji Kaneshita, Masanori Ichioka, Kazushige Machida
  Physical Review Letters 88 (2002) 115501.
  ( http://xxx.arxiv.org/abs/cond-mat/0109466 ).
  
  
• "Vortex Structure in chiral p-wave Superconductors"
  Mitsuaki Takigawa, Masanori Ichioka, Kazushige Machida and Manfred Sigrist
  Physical Review B 65 (2002) 014508. (9 page)
  ( http://xxx.arxiv.org/abs/cond-mat/0106367 ).
  
  
• Eiji Kaneshita, Masanori Ichioka, Kazushige Machida,
  "Spin and charge excitations in incommensurate spin density waves",
  J. of Phys. Soc.Jpn. 70 (2001) Suppl. A 58-60. (Revised version),
  ( http://xxx.lanl.gov/abs/cond-mat/0005466 ).
  
  
• Masanori Ichioka, Mitsuaki Takigawa and Kazushige Machida,
  "Vortex Structure in Superconducting Stripe States",
  J. Phys. Soc. Jpn. 70 (2001) 33-36.
  ( http://xxx.lanl.gov/abs/cond-mat/0012486 ).
  
  
• Mitsuaki Takigawa, Masanori Ichioka, Kazushige Machida,
  "Site-selective nuclear magnetic relaxation time in a superconducting vortex state",
  J. Phys. Soc. Jpn. 69 (2000) 3943-3954.
  ( http://xxx.lanl.gov/abs/cond-mat/0004424 ).
  
  
• Masanori Ichioka, Kazushige Machida,
  "Electronic Structure of Stripes in Two-Dimensional Hubbard Model",
  J. Phys. Soc. Jpn. 68 (1999) 4020-4031.
  ( http://xxx.lanl.gov/abs/cond-mat/9911295 ).
  
  
• Mitsuaki Takigawa, Masanori Ichioka, Kazushige Machida,
  "Theory of vortex excitation imaging via an NMR relaxation measurement",
  Phys. Rev. Lett. 83 (1999) 3057-3060.
  ( http://xxx.lanl.gov/abs/cond-mat/9906087 ).
  
  
• Kazushige Machida, Masanori Ichioka,
  "Stripe structure, spectral feature and soliton gap in high Tc cuprates",
  J. Phys. Soc. Jpn. 68 (1999) 2168-2171.
  ( http://xxx.lanl.gov/abs/cond-mat/9812398 ).
  
  
• Masanori Ichioka, Akiko Hasegawa, Kazushige Machida,
  "Field dependence of the vortex structure in d-wave and s-wave superconductors",
  Phys. Rev. B 59 (1999) 8902-8916.
  ( http://xxx.lanl.gov/abs/cond-mat/9901339 ).
  
  
• N. Hayashi, M. Ichioka, K. Machida,
  "Relation between Vortex core charge and Vortex Bound States",
  J. Phys. Soc. Jpn. 67 (1998) 3368-3371.
  ( http://xxx.lanl.gov/abs/cond-mat/9807253 ).
  
  
• N. Hayashi, T. Isoshima, M. Ichioka, K. Machida,
  "Low-lying Quasiparticle Excitations around a Vortex Core in Quantum Limit",
  Phys. Rev. Lett. 80 (1998) 2921-2924.
  ( http://xxx.lanl.gov/abs/cond-mat/9801166 ).
  
  
• Masanori Ichioka, Naoki Enomoto and Kazushige Machida,
  "Vortex lattice structure in a d_{x^2-y^2}-wave superconductor",
  J. Phys. Soc. Jpn. 66 (1997) 3928-3943.
  ( http://xxx.lanl.gov/abs/cond-mat/9704147 ).
  
  
• M. Franz (Johns Hopkins) and M. Ichioka,
  Comment on ``Quasiparticle Spectra around a Single Vortex in a d-wave Superconductor'',
  Phys. Rev. Lett, 79, 4513 (1997).
  ( http://xxx.lanl.gov/abs/cond-mat/9710243 ).
  
  
• N. Hayashi, M. Ichioka, K. Machida,
  "Effects of gap anisotropy upon the electronic structure around a superconducting vortex",
  Phys. Rev. B 56 , 9052 (1997).
  ( http://xxx.lanl.gov/abs/cond-mat/9705286 ).
  
  
• Masanori Ichioka, Nobuhiko Hayashi and Kazushige Machida,
  "Local density of states in the vortex lattice in a type II superconductor",
  Phys. Rev. B 55, 6565 (1997).
  ( http://xxx.lanl.gov/abs/cond-mat/9611157 ).
  
  
• Naoki Enomoto, Masanori Ichioka and Kazushige Machida,
  "Ginzburg Landau theory for d-wave pairing and fourfold symmetric vortex core structure",
  J. Phys. Soc. Jpn. 66, 204 (1997).
  ( http://xxx.lanl.gov/abs/supr-con/9609004 ).
  
  
• N. Hayashi, M. Ichioka and K. Machida,
  "Star-shaped Local Density of States around Vortices in a Type II Superconductor",
  Phys. Rev. Lett. 77, 4074 (1996).
  ( http://xxx.lanl.gov/abs/supr-con/9606002 ).
  
  
• M. Ichioka, N. Hayashi, N. Enomoto and K. Machida,
  "Vortex structure in d-wave superconductors",
  Phys. Rev. B 53, 15316 (1996).
  ( http://xxx.lanl.gov/abs/supr-con/9512001 ).
  
  
• M. Ichioka, N. Enomoto, N. Hayashi and K. Machida
  "s- and d_{xy}-wave components induced around a vortex in d_{x^2-y^2}-wave superconductors",
  Phys. Rev. B 53, 2233 (1996).
  ( http://xxx.lanl.gov/abs/supr-con/9508002 ).