Recent Publications
 
 
2023

Field resilient superconductivity in atomic layer crystalline materials
Y. Higashi, S. Yoshizawa, T. Yanagisawa, I. Hase, Y. Mawatari, T. Uchihashi: Physical Review B 108, 064504 (2023).

From Resistance Minimum to Kondo Physics
T. Yanagisawa: New Physics Sae Mulli Vol. 73, No. 12, 1098-1109 (Proceedings of International Conference SCES 2023). PDF

2022

Ferromagnetic diagonal stripe states in the two-dimensional Hubbard model with U ≤ ∞
M. Miyazaki, T. Yanagisawa: Physics Letters A44, 128276 (2022). PDF

Quasi-flat-band in s1/s2 pyrochlore oxides and the effect of spin-orbit interaction
I. Hase, Y. Higashi T. Yanagisawa: Journal of Physics Conf. Series 2164, 012063 (2022). PDF

Bulk combinatorial method for exploring new superconductors and its mathematical aspect
I. Hase, A. Iyo, Y. Higashi T. Yanagisawa, K. Kawashima: Journal of Physics Conf. 2323, 012009 (2022).

2020

Enhancement of superconductivity and kinetic energy effect in the strongly correlated phase
T. Yanagisawa: Physics Letters A403, 127382 (2021). PDF

Ground state phase diagram of the three-band d-p model
T. Yanagisawa, M. Miyazaki, K. Yamaji: EPL 134, 27004 (2021). PDF

On the kinetic energy driven superconductivity in the two-dimensional Hubbard model
T. Yanagisawa, M. Miyazaki, K. Yamaji: Condensed Matter 6, 12 (2021).

Corrigendum to "An unconventional vortex state in a superconducting bilayer where one layer has a hole"
Y. Tanaka, H. Yamamori, T. Yanagisawa, T. Nishio, S. Arisawa: Solid State Communications 341, 114567 (2022).

Renormalization group theory of generalized multi-vertex sine-Gordon model
T. Yanagisawa: Progress of Theoretical and Experimental Physics 2021, 033A01 (2021). PDF

Electronic Structure of Novel Superconductor (Ca1-xSrx)Pd3P
I. Hase, T. Yanagisawa, A. Iyo, H. Fujihisa, Y. Gotoh, H. Eisaki, K. Kawashima: J. Phys. Conf. Series 1975, 012004 (2021). PDF

Zero-energy modes, fractional fermion numbers and the index theorem in a vortex-Dirac fermion system
T. Yanagisawa: Symmetry 12, 373 (2020). PDF

Phase diagram of cuprate high-temperature superconductors based on the optimization Monte Carlo method
T. Yanagisawa, M. Miyazaki, K. Yamaji: Modern Physics Letters B (2020).
(Proceedings of ECSN-19 PDF.)

Possible Three-Dimensional Topological Insulator in Pyrochlore Oxides
I. Hase, T. Yanagisawa: Symmetry 12, 1076 (2020). PDF

2019

Fractional Skyrmion and Absence of Low-lying Andreev Bound States in a Micro Fractional-flux Quantum Vortex T. Yanagisawa, Y. Higashi, I. Hase: Journal of the Physical Society of Japan 88, 104704 (2019). PDF

Antiferromagnetism, superconductivity and phase diagram in the two-dimensional Hubbard model -- Off-diagonal wave function Monte Carlo studies of Hubbard model III -- PDF
T. Yanagisawa: Journal of the Physical Society of Japan 88, 054702 (2019).

Renormalization group analysis of the hyperbolic sine-Gordon model: Asymptotic freedom from cosh interaction
T. Yanagisawa: Progress of Theoretical and Experimental Physics 2019, 023A01 (2019). PDF

Mechanism of high-temperature superconductivity in correlated electron systems
T. Yanagisawa: Condensed Matter 2019, 57 (1-22) (2019). PDF

Flat-Band in Pyrochlore Oxides: A First-Principles Study
I. Hase, T. Yanagisawa, K. Kawashima: Nanomaterials 2019, 876 (2019). PDF

Flattened remnant-field distribution in superconducting bilayer
Y. Tanaka, H. Yamamori, T. Yanagisawa, S. Ooi, M. Tachiki, S. Arisawa: Physica C 567, 1253489 (2019).

Green functions of Nambu-Goldstone and Higgs modes in superconductors
T. Yanagisawa: Journal of Superconductivity and Novel Magnetism 32, 2319-2336 (2019). PDF

Electronic structure of novel superconductor doped ZrPSe
I. Hase, T. Yanagisawa, H. Kito et al.: Journal of Physics Conf. Ser. 1590, 012008 (2020).

Fermion zero-energy modes and fractional fermion numbers in a fractional vortex-fermion system
T. Yanagisawa: Journal of Physics Conf. Ser. 1590, 012009 (2020). PDF

Phase diagram and mechanism of superconductivity in strongly correlated electrons
T. Yanagisawa, M. Miyazaki, K. Yamaji: Journal of Superconductivity and Novel Magnetism 33, 2355 (2020). PDF

2018

Possibility of flat-band ferromagnetism in hole-doped pyrochlore oxides Sn2Nb2O7 and Sn2Ta2O7
I. Hase, T. Yanagisawa, Y. Aiura, K. Kawashima: Physical Review Letters 120, 196401 (2018). PDF

Massless and quantized modes of kinks in the phase space of superconducting gaps
T. Yanagisawa, I. Hase, Y. Tanaka: Physics Letters A 382, 3483 (2018). PDF

Experimental formation of a fractional vortex in a superconducting bi-layer
Y. Tanaka, H. Yamamori, T. Yanagisawa, T. Nishio, S. Arisawa: Physica C 548, 44 (2018). PDF

An unconventional vortex state in a superconducting bilayer where one layer has a hole
Y. Tanaka, H. Yamamori, T. Yanagisawa, T. Nishio, S. Arisawa: Solid State Communications 277, 39 (2018).

Abnormal Messier state in a superconducting bilayer
Y. Tanaka, H. Yamamori, T. Yanagisawa, T. Nishio, S. Arisawa: Physica C 551, 41 (2018).

Antiferromagnetism, superconductivity and phase diagram in the three-band model of high-temperature cuprates
T. Yanagisawa: Journal of Physics CS 1293, 012027 (2019). PDF

Dimensional regularization approach to the renormalization group theory of the generalized sine-Gordon model
T. Yanagisawa: Advances in Mathe. Phys. 2018, 9238280 (2018).

Theory of Spontaneous Symemtry Breaking and an Application to Superconductivity: Nambu-Goldstone and Higgs Excitation Modes
T. Yanagisawa: Commun. Comput. Phys. 23, 459 (2018).

Strongly Correlated Superconductivity
T. Yanagisawa, M. Miyazaki, K. Yamaji: International Journal of Modern Physics B 32, 1840023 (2018).

Electronic Structure of Novel Non-centrosymmetric Superconductor Mg2Rh3P
I. Hase, T. Yanagisawa, A. Iyo, H. Fujihisa, Y. Goto, H. Eisaki, K. Kawashima: Journal of Physics CS 1293, 012028 (2019).

2017

Nambu-Goldstone bosons characterized by the order parameter in spontaneous symmetry breaking
T. Yanagisawa: Journal of the Physical Society of Japan 86, 104711 (2017).
PDF

Renormalization group theory of effective field theory models in low dimensions
T. Yanagisawa: in Recent Studies in Perturbation Theory pp. 97-130 (InTech Publisher, 2017).
PDF

Voltage-less alternating current (AC) Josephson effect in two-band superconductors
Y. Tanaka, H. Yamamori, T. Yanagisawa, T. Nishio, S. Arisawa: Physica C538, 6 (2017).

Decomposition of a unit quantum and isolation of a fractional quantum by an externally injected soliton in an ultra-thin superconducting bi-layer film
Y. Tanaka, H. Yamamori, T. Yanagisawa, T. Nishio, S. Arisawa: Physica C538, 12 (2017).

The competition between the CDW and the superconducting state in valence skip compounds
I. Hase, T. Yanagisawa, K. Kawashima: Commun. Computational Physics 23, 773 (2017).

Crossover-induced spin fluctuation and electron pairing in strongly correlated electrons
T. Yanagisawa, M. Miyazaki, K. Yamaji: J. Superconductivity Novel Magnetism 31, 785 (2017).

Theory of spontaneous symmetry breaking and an application to superconductivity
T. Yanagisawa: Commun. Computational Physics 23, 459 (2017).

Computational Design of Flat-Band Materials
I. Hase, T. Yanagisawa, K. Kawashima: Nanoscale Research Letters 13, 63 (2017).

Optimized wave function by kinetic renormalization effect in strongly correlated region of the three-band Hubbard model
T. Yanagisawa, I. Hase, M. Miyazaki, K. Yamaji: J. Physics Conf. Ser. 1054, 012017 (2018).

Electronic Structure of Novel Binary Superconductor SrGe2
I. Hase, T. Yanagisawa, A. Iyo, H. Eisaki, Y. Yoshida, K. Kawashima: J. Physics Conf. Ser. 1054, 012004 (2018).

2016

Chiral sine-Gordon model
T. Yanagisawa: EPL 113, 41001 (2016). EPL Highlights 2016

Enhancement of ferromagnetism by oxygen isotope substitution in strontium ruthenate SrRuO3
H. Kawanaka, Y. Aiura, T. Hasebe, M. Yokoyama, T. Masui, Y. Nishihara, T. Yanagisawa: Scientific Reports 6, 35150 (2016).

Crossover from weakly to strongly correlated regions in the two-dimensional Hubbard model
T. Yanagisawa: Journal of the Physical Society of Japan 85, 114707 (2016).

Isotope shift of the ferromagnetic transition temperature in itinerant ferromagnets
T. Yanagisawa, I. Hase, K. Odagiri: Physics Letters A381, 737 (2017).

One way to Design a Valence-Skip Compound
I. Hase, T. Yanagisawa, K. Kawashima: Nanoscale Research Letters 12, 127 (2017).

Electronic Structure of InTe, SnAs and PbSb: Valence-Skip Compound or not?
I. Hase, K. Yasutomi, T. Yanagisawa, K. Odagiri, T. Nishio: Physica C527, 85 (2016).

Nambu-Goldstone-Leggett and Higgs modes in multi-condensate superconductors
T. Yanagisawa: J. Superconductivity Novel Magnetism 29, 3099 (2016).

Fluctuation modes in multi-gap superconductors
T. Yanagisawa: Vortices and Nanostructured Superconductors (edited by A. Crisan, Springer).

Magnetism, fluctuations and mechanism of high-temperature superconductivity
T. Yanagisawa, I. Hase, M. Miyazaki, K. Yamaji: Journal of Physics Conf. Ser. 871, 012015 (2017).

Evolution of the CDW gap in valence skipper RbTlX3 (X = F, Cl, Br): A first-principles study
I. Hase, T. Yanagisawa: Journal of Physics Conf. Ser. 871, 12030 (2017).

2015

Inhomogeneous Electronic Distribution in High-Tc Cuprates
S. Koikegami, M. Kato, T. Yanagisawa: Journal of the Physical Society of Japan 84, 054704 (2015).

Enhancement of superconducting transition temperature of SrBi3 induced by Na substitution for Sr
A.Iyo, Y. Yanagi, S. Ishida, K. Oka, Y. Yoshida, K. kihou, C.H. Lee, H. Kito, N. Takeshita, I. Hase, T. Yanagisawa, T. Kinjo, T. Nishio, H. Eisaki: Scientific Reports 5, 10089 (2015).

Kondo effect in Dirac systems
T. Yanagisawa: Journal of the Physical Society of Japan 84, 074705 (2015).

A current induced massless mode of the inerband phase difference in two-band superconductors
Y. Tanaka, I. Hase, T. Yanagisawa, G. Kato, T. Nishio, S. Arisawa: Physica C516, 10 (2015).

Superconductivity in LaBi3 with CuAu3 structure
K. Kinjo et al.: Superconductor Science and Technology 29, 03LT02 (2016).

The Absence of CDW order in PbSb, and its unexpected softness
I. Hase, K. Yasutomi, T. Yanagisawa, K. Odagiri: Physics Procedia 65, 37 (2015).

Nambu-Goldstone-Leggett modes in multi-condensate superconductors
T. Yanagisawa: Novel Superconducting Materials 1, 95 (2015) (An invited review on multi-condensate superconductors).

Superconductivity from strong correlaiton in high-temperature superconductors
T. Yanagisawa, M. Miyazkai, K. Yamaji: J. Superconductivity Novel Magnetism 29. 655 (2015).

Superconductivity, antiferromagntism and kinetic correlation
T. Yanagisawa: Adv. Cond. Matt. Phys. 2015, 141263 (2015): Special Issue "Exotic Superconductivity in Correlated Systems".

Duality in Spin Fluctuations in Correlated Electron Systems
T. Yanagisawa, I. Hase: Physica C530, 1 (2016).

Electronic Structure of SnF3: An Example of Valence Skipper
I. Hase, T. Yanagisawa, K. Kawashima: Physica C530, 11 (2016).

2014

Mott transition in cuprate high-temperature superconductors
T. Yanagisawa, M. Miyazaki: Europhysics Letters 107 (2014) 27004.

Fluctuation-induced Nambu-Goldstone bosons in a Higgs-Josephson model
T. Yanagisawa, Y. Tanaka: New Journal of Physics 16 (2014) 123014.

Superconductivity at 4.4K in Ba2Bi3
A. Iyo, Y. Yanagi, S. Ishida, K. Oka, Y. Yoshida, K. Kihou, C. H. Lee, H. Kito, N. Takeshita, I. Hase, T. Yanagisawa, T. Kinjo, T. Nishio, H. Eisaki: Superconductor Science and Technology 27 (2014) 072001.

Experimental observation of a first-order phase transition below the superconducting transition in the multilayer cuprate superconductor HgBa2Ca4Cu5Oy-
Y. Tanaka et al.: Journal of the Physical Society of Japan 83, 074705 (2014).

Electronic structure of LaTSb2 (T= Cu, Ag, Au) -
I. Hase, T. Yanagisawa: Physics Procedia 58, 42 (2014).

Stripes and superconductivity in the two-dimensional Hubbard model-
M. Miyazaki, K. Yamaji, T. Yanagisawa: Physics Procedia 58, 30 (2014).

Mott transition in cuprate superconductors - Role of td' in the three-band d-p model
T. Yanagisawa et al.: JPS Comf. Proc. 3, 015046 (2014).

Electron correlation in high temperature superconductors
T. Yanagisawa, M. Miyazaki, K. Yamaji: J. Applied Math. and Phys. 2, 72 (2014).

Material-parameter dependence of superconductivity in high-temperature cuprates
T. Yanagisawa, M. Miyazaki, K. Yamaji: Physics Procedia 58, 26 (2014).

Multi-phase physics of multi-condensate superconductivity
T. Yanagisawai: J. Superconductivity and Novel Magnetism 28, 1285 (2015) (Erice School of Solid State Physics).

High-Temperature superconductivity from Strong Correlation
T. Yanagisawai: Physics Procedia 65, 5 (2015).

Dirac fermions and Kondo effect
T. Yanagisawai: Journal of Physics: Conference Series 603, 012014 (2015).

2013

Superconductivity at the highest transition temperature of 8.1K in simple cubic Au-Sb-Te and Au-Sb alloys
Authors: A. Iyo, K. Hira, K. Tokiwa, Y. Tanaka, I. Hase, T. Yanagisawa, N. Takeshita, K. Kihou, P. Shirage, P. Raychaudhuri, H. Eisaki
Journal: Superconductor Science and Technology 27 (2014) 025005.

Soft confinement in a 3D spin system
Authors: K. Odagiri, T. Yanagisawa
Journal: European Physical Journal C 73 (2013) 2525.

Enhanced pair-correlation functions in the two-dimensional Hubbard model
Authors: T. Yanagisawa
Journal: New Journal of Physics 15 (2013) 033012.

Massless modes and abelian gauge fields in multi-band superconductors
Authors: T. Yanagisawa, I. Hase
Journal: Journal of the Physical Society of Japan 82 (2013) 124704.

Correlated-Electron Systems and High Temperature Superconductivity
Authors: T. Yanagisawa, M. Miyazaki, K. Yamaji
Journal: Journal of Modern Physics Vol. 4, No. 6A, pp. 33-64, 2013.

Systematics of the strength of superconductivity of the d-p model in relation to cuprates
Authors: K. Yamaji, T. Yanagisawa
Journal: Physica C497 (2013) 93.

Electronic band calculation of BaPd2Sb2: which polymorph is stable?
Authors: I. Hase, T. Yanagisawa
Journal: Physica C494 (2013) 27.

Valence skipping driven superconductivity and chage Kondo effect
Authors: T. Yanagisawa, I. Hase
Journal: Physica C494 (2013) 24.

Systematics of Tc studied on the basis of the d-p model of cuprate superconductors
Authors: K. Yamaji, T. Yanagisawa
Journal: Physica C494 (2013) 5.

Electronic structure of novel superconductor AuSb6Te
Authors: I. Hase, T. Yanagisawa, A. Iyo, H. Eisaki
Journal: JPS Conf. Proc. 1 (2014) 012114

Gauge fields, massless modes and topology in multi-band superconductors
Authors: T. Yanagisawa, I. Hase, Y. Tanaka
Journal: JPS Conf. Proc. 1 (2014) 012121.

Theory of multi-band superconductivity
Authors: T. Yanagisawa
Journal: International Journal of Condensed Matter, Advanced materials and Superconductivity Research 12 (2013) 219.

2012

Kondo Effect in the Presence of Spin-Orbit Couplig
Authors: T. Yanagisawa
Journal: Journal of the Physical Society of Japan 81 (2012) 094713.

Chirality and Vortices in Multi-Band Superconductors
Authors: T. Yanagisawa, Y. Tanaka, I. Hase, K. Yamaji
Journal: Journal of the Physical Society of Japan 81 (2012) 024712.

Electronic Band Structure of LaNiGa2
Authors: I. Hase, T. Yanagisawa
Journal: Journal of the Physical Society of Japan 81 (2012) 103704.

Renormalization of hopping integrals in coexistence phase of stripes and d-wave superconductivity in two-dimensional Hubbard model
Authors: M. Miyazaki, K. Yamaji, T. Yanagisawa, K. Yonemitsu
Journal: Physics Procedia 27 (2012) 64.

Electronic Band Structure of LaPt2Si2
Authors: I. Hase, T. Yanagisawa
Journal: Physica C484 (2013) 59.

Fluctuation-assisited gap evolution in frustrated multiband superconductors
Authors: Y. Tanaka, T. Nishio, T. Yanagisawa
Journal: Physica C483 (2012) 86.

Unlocking inter-band phase difference in multi-band superconductors
Authors: Y. Tanaka, T. Yanagisawa, T. Nishio
Journal: Physica C485 (2012) 64.

Spin vortices, skyrmions and the Kosterlitz-Thouless transition in the two-dimensional quantum antiferromagnet
Authors: T. Yanagisawa
Journal: Journal of Physics Conf. Series 428 (2013) 012040 .

Effective Coulomb interaction in multiorbital system
Authors: I. Hase, T. Yanagisawa
Journal: Journal of Physics Conf. Series 428 (2013) 012013

Quarks and Fractionally Quantized Vortices in Superconductors: An analogy between two worlds
Authors: T. Yanagisawa
Journal: Recent Advances in Quarks Research (Nova Science Pub Inc)

2011

"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.

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.

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 Non- centrosymmetric Compound
Authors: T. Yanagisawa, I. Hase
Journal: Journal of the Physical Society of Japan Supplement

Superconducting transition as a two-dimensional Kosterlitz-Thouless transition in two-dimensional Hubbard model
Authors: T. Yanagisawa
Journal: Proceedings of the 9th International Conference on Materials and Mechanisms of Superconductivity (2010).

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.

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.

Kosterlitz-Thouless transition in the two-dimensional Hubbard model evidenced from quantum Monte Carlo calculations of susceptibilities
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.

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: AIP Conference Proceedings 850 (2006) 575.


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 18 (2005) 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 (2005) 803.

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.

Excitation spectra in doped cuprates
Authors: T. Yanagisawa, M. Miyazaki, K. Yamaji
Journal: Journal of Physics and Chemistry of Solids 66 (2005) 1392.

Optical Properties in unconventional superconductors
Authors: T. Yanagisawa, H. Shibata
Journal: Topics in Superconductivity Research (Nova Science Publishers, New York, 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 inhomogeneity, spin-orbit and lattice distortions in doped cuprates
Authors: T. Yanagisawa, M. Miyazaki, K. Yamaji
Journal: Journal of Magnetism and Magnetic 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. PDF

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).

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). [PDF]


2002 and before 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). [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).

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

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: International Journal of Modern Physics B10, 3383 (1996).

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).

 
 
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