Recent Publications
 
 
2011

Translation:
"The Physics of Magnetic Dilute Alloys" by Jun Kondo
Translated by: S. Koikegami, K. Odagiri, K. Yamaji, T. Yanagisawa
Publisher: Canbridge University Press.

Unrestricted Hartree-Fock Analysis of Sr3-xCaxRu2O7
Authors: S. Koikegami, T. Yanagisawa, S. Koike
Journal: Journal of the Physical Society of Japan 80 (2011) 124703.

Superconducting Condensation Energy of the 2D Hubbard Model in the Large Negative-t' Region
Authors: K. Yamaji, T. Yanagisawa, M. Miyazaki, R. Kadono
Journal: Journal of the Physical Society of Japan 80 (2011) 083702.

Chirality and Vortices in Multi-Band Superconductors
Authors: T. Yanagisawa, Y. Tanaka, I. Hase, K. Yamaji
Journal: Journal of the Physical Society of Japan: in press.

Electronic Band Structure of LaFe2X2 (X= Si, Ge)
Authors: I. Hase, T. Yanagisawa
Journal: Physica C471 (2011) 656.

Ginzburg-Landau Theory of Multi-Band Superconductivity and Applications to Fe Pnictides
Authors: T. Yanagisawa, Y. Tanaka, I. Hase, K. Yamaji
Journal: Physica C471 (2011) 675.

Domains in Multi-Band Superconductors
Authors: Y. Tanaka, T. Yanagisawa, A. Crisan, P. M. Shirage, A. Iyo, K. Tokiwa, T. Nishio, S. Arthinarayanan, N. Terada
Journal: Physica C471 (2011) 747.

Theory of Superconductivity in Correlated Electron Systems
Authors: T. Yanagisawa
Journal: Magnetic Mechanism of Superconductivity in Copper-Oxide (Nova Science Publishers, New York, 2011), pp.1-71.

Nonunitary Triplet Superconductivity in the Rare-Earth Noncentrosymmetric Compound
Authors: T. Yanagisawa, I. Hase
Journal:

2010

Chiral State in Three-Gap Superconductors
Authors: Y. Tanaka, T. Yanagisawa
Journal: Solid State Communications 150 (2010) 1980.

Chiral Ground State in Three-Band Superconductors
Authors: Y. Tanaka, T. Yanagisawa
Journal: Journal of the Physical Society of Japan 79 (2010) 114706.

Reply to "Isotope Effect in Multi-Band and Multi-Channel Attractive Systems and Inverse Isotope Effect in Iron-Based Superconductors"
Authors: T. Yanagisawa et al.
Journal: Journal of the Physical Society of Japan 79 (2010) 126002.

Three-Dimensional Multi-Band d-p Model of Superconductivity in Spin-Chain Ladder Cuprate
Authors: S. Koikegami, T. Yanagisawa
Journal: Journal of the Physical Society of Japan 79 (2010) 064701.

Superconducting transition as a two-dimensional Kosterlitz-Thouless transition evidenced from quantum Monte Carlo calculations of susceptibilities in two-dimensional Hubbard model
Authors: T. Yanagisawa
Journal: Journal of the Physical Society of Japan 79 (2010) 063708.

Effect of the distortion of FeX4 (X=P, AS) tetrahedron for the electronic structure of iron-pnictide system
Authors: I. Hase, T. Yanagisawa
Journal: Physica C470 (2010) 538.

3-Band Theory of Fe Pnictide Superconductors
Authors: K. Yamaji, T. Yanagisawa, I. Hase
Journal: Physica C470 (2010) 1060.

Coexistence between checkerboad charge and striped spin in the two-dimensional Hubbard model
Authors: M. MIyazaki, K. Yamaji, T. Yanagisawa, R. Kadono
Journal: Physica C470 (2010) 5919.

2009

Inverse Iron Isotope Effect on the transition temperature of the (Ba,K) Fe2As2 superconductor
Authors: P.M. Shirage, K. Kihou, K. Miyazawa, C.-H. Lee, H. Kito, H. Eisaki, T. Yanagisawa, Y. Tanaka, A. Iyo
Journal: Physical Review Letters 103, 257003 (2009) (Editor's suggestion).

System-Parameter Dependence of the Metallic Phase of the Non-Doped 2D Hubbard Model
Authors: K. Yamaji, T. Yanagisawa, M. Miyazaki, R. Kadono
Journal: Physica C 469 (2009) 1037-1040.

Isotope Effect in Multi-Band and Multi-Channel Attractive Systems and Inverse Isotope Effect in Iron-Based Superconductors
Authors: T. Yanagisawa, K. Odagiri, I. Hase, K. Yamaji, P. Shirage, Y. Tanaka, A. Iyo, H. Eisaki
Journal: Journal of the Physical Society of Japan 78 (2009) 094718.

Electronic Structure of LaNiC2 and YNiC2
Authors: I. Hase, T. Yanagisawa
Journal: Journal of the Physical Society of Japan 78 (2009) 084724.

Checkerboard States in the Two-Dimensional Hubbard Model with the Bi2212-Type Band
Authors: M. Miyazaki, K. Yamaji, T. Yanagisawa, R. Kadono
Journal: Journal of the Physical Society of Japan 78 (2009) 043706.

Incommensurate Antiferromagnetism Coexisting with Superconductivity inTwo-Dimensional d-p Model
Authors: T. Yanagisawa, M.Miyazaki, K. Yamaji
Journal: Journal of the Physical Society of Japan 78 (2009) 013706.

2008

Magnetic Tunneling of Carrier Through Antiferromagnetic Domain
Authors: Y. Tanaka, D. Dhondiram, S. Parasharam, M. Shirage, K. Miyazawa, T. Yanagisawa, H. Kito and A. Iyo
Journal: Journal of the Physical Society of Japan 77 (2008) 095002.

t' and t''-dependence of the bulk limit superconducting condensation energy of the 2D Hubbard model
Authors: K. Yamaji, T. Yanagisawa, M. Miyazaki, R. Kadono
Journal: Physica C468 (2008) 1125.

Valence Skip Behavior in BaBiO3 and TlS
Authors: I. Hase and T. Yanagisawa
Journal: Physica C468 (2008) 1129.

Electronic States of Valence Skipping Compounds
Authors: I. Hase and T. Yanagisawa
Journal: Journal of Physics: Conference Series 108 (2008) 012011.

Physics of the Hubbard model and High Temperature Superconductivity
Authors: T. Yanagisawa
Journal: Journal of Physics: Conference Series 108 (2008) 012010.

Phase diagram of the t-U2 Hamiltonian of the weak coupling Hubbard model
Authors: T. Yanagisawa
Journal: New Journal of Physics 10 (2008) 023014 .


2007

Madelung energy of the valence skipping compound BaBiO3
Authors: I. Hase and T. Yanagisawa
Journal: Physical Review B76, 174103 (2007).

Quantum Monte Carlo diagonalization for many-fermion systems
Authors: T. Yanagisawa
Journal: Physical Review B75, 224503 (2007).

Supersymmetry and Superconductor-Insulator Transition
Authors: T. Yanagisawa
Journal: Progress of Theoretical Physics 118 (2007) 229 .

Effective quantum variational study of Hubbard model
Authors: T. Yanagisawa, I. Hase and K. Yamaji
Journal: Journal of Magnetism and Magnetic Materials 310 (2007) 486.


2006

Metallic States of the Three-band Hubbard Model with Superlattice Structure
Authors: S. Koikegami, T. Yanagisawa, M. Kato
Journal: Journal of the Physical Society of Japan 75 (2006) 044712.

Superconductivity in Multilayer Perovskite: Weak Coupling Analysis
Authors: S. Koikegami, T. Yanagisawa
Journal: Journal of the Physical Society of Japan 75 (2006) 034715.

Effects of higher hopping terms on the stripe states in the two-dimensional Hubbard model
Authors: M. Miyazaki, K. Yamaji, T. Yanagisawa
Journal: Journal of Superconductivity 18 (2006) 727.

Two-Domains of the Parameter Space of the 2D Hubbard Model for High-Tc Superconductors
Authors: K. Yamaji, M. Miyazaki, T. Yanagisawa
Journal: Journal of Superconductivity 18 (2006) 803.

Electronic Structure of Pb0.875Tl0.125Te
Authors: I. Hase, T. Yanagisawa
Journal: Physica C 445-448 (2006) 61.

Superconducting Condensation Energy Computed for the 2D Hubbard Model with Bi2212-type Band
Authors: K. Yamaji, T. Yanagisawa, M. Miyazaki
Journal: Physica C445 (2006) 171-174.

Quantum Monte Carlo Study of Superconductivity in the Two-Leg Ladder and Low-Dimensional Correlated Systems
Authors: T. Yanagisawa, K. Yamaji
Journal: Physica C445 (2006) 87-89.

Quantum Monte Carlo Optimization in Many Fermion Systems
Authors: T. Yanagisawa
Journal: Proceedings of 24th International Conference on Low Temperature Physics (2006) pp. 575-576.


2005

Fermi Arc in Doped-HighTc Cuprates
Authors: T. Yanagisawa, M. Miyazaki, K. Yamaji
Journal: Journal of the Physical Society of Japan 74 (2005) 835-838.

Two-Domains of the Parameter Space of the 2D Hubbard Model for High-Tc Superconductors
Authors: K. Yamaji, M. Miyazaki, T. Yanagisawa
Journal: Journal of Superconductivity (2005).

Effects of higher hopping terms on the stripe states in the two-dimensional Hubbard model
Authors: M. Miyazaki, K. Yamaji, T. Yanagisawa
Journal: Journal of Superconductivity (2005).


2004

Consistent picture for high Tc and SDW obtained from the moderate-U Hubbard model
Authors: K. Yamaji, T. Yanagisawa, M. Miyazaki
Journal: Physica C412-414 (2004) 162.

String-density wave and Gossamer superconductivity
Authors: T. Yanagisawa, M. Miyazaki, K. Yamaji
Journal: Physical C412-414 (2004) 64.

Spin-charge inhonogeneity, spin-orbit and lattice distortions in doped cuprates
Authors: T. Yanagisawa, M. Miyazaki, K. Yamaji
Journal: Journal of Magnetism and Megnetic Materials 272-276 (2004) 183. (Proceedings of ICM 2003).

Anisotropy in the upper and lower critical fields of MgB2 single crystals
Authors: H. Bando, Y. Yamaguchi, N. Shirakawa, T. Yanagisawa
Journal: Physica C 412-414 (2004) 258.

Diagonal Stripe States in the Light-Doping region in the Two-Dimensional Hubbard Model
Authors: M. Miyazaki, T. Yanagisawa and K. Yamaji
Journal: J. Phys. Soc. Jpn. 73 (2004) 1643. Preprint

Uniaxial-Pressure Induced Ferromagnetism of Enhanced Paramagnetic Sr3Ru2O7
Authors: S. Ikeda, N. Shirakawa, T. Yanagisawa, Y. Yoshida, S. Koikegami, S. Koike, M. Kosaka, Y. Uwatoko
Journal: J. Phys. Soc. Jpn. 73, 1322 (2004).


2003

Striped metal in two-dimensional d-p model
Authors: Shigeru Koikegami, Takashi Yanagisawa, Masaru Kato
Journal: Physica C392, 213-215 (2003).

Lattice distortions and stripes in the underdoped region of high-Tc cuprates
Authors: Takashi Yanagisawa
Journal: Journal of Physics A: Math. Gen. 36, 9337-9349 (2003)
Invited talk at the International Workshop Strongly Correlated Electrons in New Materials.

Dynamical stripe correlation in the d-p model at 1/8-filling
Authors: Shigeru Koikegami, Takashi Yanagisawa, Masaru Kato
Journal: Physica B329, 781 (2003).

Orbital-Dependent Two-Band Superconductivity in MgB2
Authors: Takashi Yanagisawa and Hajime Shibata
Journal: J. Phys. Soc. Jpn. 72, 1619-1622 (2003). Virtual Journal

Superconductivity in Sr2RuO4 Mediated from Coulomb Scattering
Authors: Shigeru Koikegami, Yoshida Yoshida and Takashi Yanagisawa
Journal: Phys. Rev. B67, 134517 (2003).

Quantum group based theory for antiferromagnetism and superconductivity: proof and further evidence
Authors: S. Alam, S.M. Mamun, T. Yanagisawa, H. Khan, M.O. Rahman, J.A.S. Termizi
Journal: Physica C392, 149 (2003).

Lattice distortions, incommensurability and stripes in high-Tc cuprates
Authors: T. Yanagisawa, M. Miyazaki, S. Koike, S. Koikegami, and K. Yamaji
Journal: Phys. Rev. B67, 132408 (2003). Preprint [PDF]


2002

Possible coexistence of superconductivity and static SDW stripes in the two-dimesnional Hubbard model
Authors: Mitake Miyazaki, Kunihiko Yamaji, Takashi Yanagisawa
Journal: J. Phys. Chem. Solids 63, 1403-1407 (2002).

Stripes and superconductivity in high-Tc superconductors
Authors: Takashi Yanagissawa, Soh Koike, Mitake Miyazaki, Kunihiko Yamaji
Journal: J. Phys. Chem. Solids 63, 1379-1383 (2002)

Stripe formation in high-Tc superconductors
Authors: T. Yanagisawa, S. Koike, M. Miyazaki and K. Yamaji
Journal: J. Phys.: Condensed Matter 14, 21 (2002) .

Quantum Interference Oscillation in DHvA Effect in the Two- and Three- dimensional Systems
Authors: K. Kishigi, Y. Hasegawa and T. Yanagisawa
Journal: J. Phys. Soc. Jpn. 71 Suppl. 214-216 (2002). Preprint [PDF]

Superconducting gap of the 2D d-p model with a small Ud
Authors: S. Koikegami and T. Yanagisawa
Journal: J. Phys. Soc. Jpn. 70, 3499 (2001), J. Phys. Soc. Jpn. 71, 671 (2002).


2001

Ground state of the three-band Hubbard model
Authors: T. Yanagisawa, S. Koike and K. Yamaji
Journal: Phys. Rev. B64, 184509 (2001). Preprint [ PDF]

Anisotropic optical conductivity of Nd_{2-x}Ce_xCuO_4 thin films
Authors: T. Yanagisawa, S. Koikegami, H. Shibata, S. Kimura, S. Kashiwaya, A. Sawa, N. Matsubara and K. Takita
Journal: Journal of the Physical Society of Japan 70, 2833 (2001). Preprint [ PDF ]

Superconducting and SDW condensation energies in the 2D Hubbard model and the meaning to the stripe phase
Authors: K. Yamaji, T. Yanagisawa, S. Koike
Journal: Journal of Physics and Chemistry of Solids 62, 237-241 (2001).

Competition between Supeconductivity and SDW in the 2D Hubbard Model and Possibility of Superconductivity along a Stripe
Authors: K. Yamaji, T. Yanagisawa, S. Koike and M. Miyazaki
Journal: Physics in Local Lattice Distortions (AIP, New York, 2001) pp.222-231, edited by A. Bianconi and H. Oyanagi. Abstract

Parameters for Systems Exhibiting Local Lattice Distortions, Charge and Spin Ordering
Authors: A. Alam, T. Yanagisawa, H. Oyanagi
Journal: Physics in Local Lattice Distortions (AIP, New York, 2001) pp.246-252 (2001).


Before 2001

Superconducting condensation energy of the two-chain Hubbard model in the bulk limit
Authors: S. Koike, K. Yamaji and T. Yanagisawa
Journal: J. Phys. Soc. Jpn. 69, 2199-2208 (2000).

Bulk limit of superconducting condensation energy in 2D Hubbard model
Authors: K. Yamaji, T. Yanagisawa and S. Koike
Journal: Physica B284 , 415 (2000).

Fermi surface and de Haas-van Alphen oscillation in both the normal and superconducting mixed states of UPd2Al3
Authors: Y. Inada, H. Yamaguchi, Y. Haga, K. Sakurai, Y. Tokiwa, T. Honma, E. Yamamoto, Y. Onuki, T. Yanagisawa
Journal: J. Phys. Soc. Japan 68 (1999) 3643.

Fermi surface properties and de Haas-van Alphen oscillation in both the normal and superconducting mixed states of URu2Si2
Authors: H. Ohkuni, Y. Inada, Y. Tokiwa, K. Sakurai, R. Settai, T. Honma, Y. Haga, E. Yamamoto, Y. Onuki, H. Yamagami, S. Takahashi T. Yanagisawa
Journal: Philosophical Magazine B79 (1999) 1045.

d-wave state with multiplicative correlation factors for the Hubbard model
Authors: T. Yanagisawa, S. Koike and K. Yamaji
Journal: J. Phys. Soc. Japan 68 (1999) 3608.

Effect of the Medium-Range Transfer Energies to the Superconductivity in the Two-Chain Hubbard Model
Authors: S. Koike, K. Yamaji and T. Yanagisawa
Journal: J. Phys. Soc. Japan 68 (1999) 1657.

Wave functions of correlated electron state in the periodic Anderson model
Authors: T. Yanagisawa
Journal: J. Phys. Soc. Japan 68 (1999) 893.

Exact-diagonalization study on the effect of the long-range Coulomb interaction to the superconducting ground state in two-chain Hubbard model
Authors: S. Koike, K. Yamaji and T. Yanagisawa
Journal: Physica C308 (1998) 301.

Off-Diagonal Wave Function Monte Carlo Studies of Hubbard Model I
Authors: T. Yanagisawa, S. Koike and K. Yamaji
Journal: J. Phys. Soc. Jpn. 67 (1998) 3867-3874

Variational Monte Carlo Study on the Superconductivity in the Two-Dimensional Hubbard Model
Authors: K. Yamaji, T. Yanagisawa, T. Nakanishi and S. Koike
Journal: Physica C304 (1998) 225-238.

Variational Monte Carlo Indications of d-Wave Superconductivity in the Two- Dimensional Hubbard Model
Authors: T. Nakanishi, K. Yamaji and T. Yanagisawa
Journal: J. Phys. Soc. Jpn. 66 (1997) 294-297: [ PDF ]

Exact results in strongly correlated electrons
Authors: T. Yanagisawa and Y. Shimoi
Journal: Int. J. Mod. Phys. B10 (1996) 3383: [ PDF ]

Superconductivity in the Two-Chain Hubbard Model Including the Interchain Coulomb Interaction
Authors: S. Koike and K. Yamaji
Journal: J. Phys. Soc. Jpn. 65, 327 (1996): [ PDF ]

Ground state of the Kondo-Hubbard model at half filling
Authors: T. Yanagisawa and Y. Shimoi
Journal: Phys. Rev. Lett. 74, 4939-4943 (1995).

Crossover and Order-Disorder Transition of Two-Dimensional Quantum Antiferromagnets at Low Temperatures
Authors: Takashi Yanagisawa
Journal: Phys. Rev. Lett. 68, 1026-1029 (1992).

 
 
  Condensed Matter Physics: Electronics Research Institute