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Numerical solution of thermodynamic Bethe
ansatz equations by Newton' method
Magnetization curve of 1D Ferromagnet
Magnetization curve calculated by Bethe ansatz method.
y-axis is magnetization and x-axis is h/T^2. As temperature
goes down it approaches universal scaling function.
Members
Main Subject
Magnetic Properties of low-dimensional
quantum spin systems made of stable organic biradicals PNNNo,F2PNNNO,and
PIMNO
Y.Hosokoshi,Y.Nakazawa,K.Inoue,K.Tanizawa,H.Nakano,M.Takahashi
and T.Goto
Phys.Rev.B60 12924-12932(1999)
Metamagnetism of antiferromagnetic XXZ
quantum spin chains
T.Sakai and M.Takahashi
Phys.Rev.B60 7295-7298(1999)
"Spin-Gap Phases in Tomonaga-Luttinger
Liquids"
M.Nakamura and M.Takahashi
Phys.Rev.B60 7850-7862(1999)
"Mechanism of CDWSDW Transition in One
Dimension"
M.Nakamura
J.Phys.Soc.Jpn68 3123-3126(1999)
Exact Ground States in Spin Systems with
Orbital Degeneracy
K.Itoh
J.Phys.Soc.Jpn68 322-325(1999)
Integrable Magnetic Model of Two Chains
Coupled by Four-Body Interactions
N. Muramoto and M. Takahashi
J. Phys. Soc. Jpn. 68 2098-2164 (1999)
Thermodynamics of One-Dimensional Solvable
Models
Minoru Takahashi
Cambridge University Press (1999)
Metamagnetism of antiferromagnetic XXZ
quantum spin chains
T. Sakai and M. Takahashi
Phys. Rev. B 60¡¡(1999) 7295-7298
Simplification of thermodynamic
Bethe-ansatz equations
Minoru Takahashi
cond-mat/0010486
Proceeding of the Nagoya 2000 International
Workshop, World Scientific (2001)
P299-304, Physics and Combinatrix.
Equivalence of TBA and QTM
Minoru Takahashi, Masahiro Shiroishi and Andreas
Kluemper
cond-mat/0102027
J. Phys. A. Math. Gen. 34¡¡(2001) L187-L194
High-field magnetization of an S=1/2
zigzag chain
compound
(N2H5)CuCl3
M. Hagiwara, Y. Narumi, K. Kindo, N. Maeshima,
K. Okunishi, T. Sasaki,
M. Takahashi
Physica B 294-295, 83-86 (2001)
Emptiness Formation Probability for the
One-Dimensional Isotropic XY Model
Masahiro Shiroishi, Minoru Takahashi, Yoshihiro
Nishiyama
cond-mat/0106062
J. Phys. Soc. Jpn, 70, 3535-3543 (2001)
Thermodynamic Bethe ansatz eqations of
one-dimensional Hubbard model and
high temperature expansion
Minoru Takahashi, and Masahiro Shiroisi
Phys. Rev. B 65, 165104-1-9(2002)
Integral Equation Generates
High-Temperature Expansion of the Heisenberg Chain
Masahiro Shiroisi, and Minoru Takahashi
cond-mat/0205180, Phys. Rev. Letters, 89,
117201-1-4 (2002)
Magnetic properties of spin-1
antiferromagnetic chains with bond alternation
M. Hagiwara, Y. Narumi, K. Kindo, M. Kohno, H.
Nakano, R. Sato and M. Takahashi
RIKEN Review 46, 14-17 2002
Next Nearest-Neighbor Correlation
Functions
of the Spin-1/2 XXZ
Chain at Critical Region
G. Kato, M. Shiroisi, M. Takahashi, K. Sakai
cont-mat/0304475: J.Phys. A: Math. Gen. 36 No 23
L337-L344 (2003)
Third Neighbor Correlators of Spin-1/2
Heisenberg Antiferromagnet
K. Sakai, M. Shiroisi, Y. Nishiyama, M. Takahashi
cond-mat/0302564 , Phys. Rev. E 67
065101(R) 1-4 (2003).
Thermodynamics and Correlation Functions of XXZ Chain;
M. Takahashi, Czechoslovak Journal of Physics, 53
1125-1130 (2003).
Next Nearest Neighbor Correlation Functions of the Spin-1/2 XXZ
Chain
at Massive Region,
M. Takahashi, G. Kato, M. Shiroishi: cond-mat/0308589, J.
Phys. Soc. Jpn.
73 245-253 (2004).
Third-neighbour and other four-point correlation functions of
spin-1/2
XXZ chain,
G. Kato, M. Shiroishi, M. Takahashi, K. Sakai: J. Phys. A: Math. Gen. 37
1-27 (2004).