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Publications

T. Kita, T. Mizushima, and K. Machida: cond-mat/0204025.
Spinor Bose-Einstein condensates with many vortices.
T. Mizushima, K. Machida, and T. Kita: Phys. Rev. Lett. 89 (2002) 030401; cond-mat/0203242.
Mermin-Ho vortex in ferromagnetic spinor Bose-Einstein condensates.
T. Kita: cond-mat/0203005.
On the density matrix of nonequilibrium steady-state statistical mechanics.

H. Satoh and F. J. Ohkawa: Phys. Rev. B63 (2001) 184401.
Theory of the metamagnetic crossover in CeRu₂Si₂.
T. Kita: Phys. Rev. B64 (2001) 054503; cond-mat/0103520.
Gauge invariance and Hall terms in the quasiclassical equations of superconductivity.
K. Yasui and T. Kita: cond-mat/0103336.
Gap anisotropy and de Haas-van Alphen effect in type-II superconductors.
T. Kita: Phys. Rev. Lett. 86 (2001) 834.
Vortex-lattice phases of superfluid ³He in rapid rotation.

H. Satoh and F. J. Ohkawa: Physica B 282 (2000) 187.
A theory of the metamagnetic crossover in CeRu₂Si₂.
E. Miyai and F. J. Ohkawa: Physica B 282 (2000) 851.
On the Curie-Weiss law for ferromagnetic metals.
F. J. Ohkawa and H. Satoh: Physica B 282 (2000) 859.
Are high-temperature superconductors Kondo lattices?
E. Miyai and F. J. Ohkawa: Phys. Rev. B 61 (2000) 1357-1365.
Curie-Weiss law for almost localized itienerant-electron ferromagnets.
F. J. Ohkawa: Frontiers in magnetism, J. Phys. Soc. Jpn. 69 Supplement A (2000) 13.　
Kondo effect even in the Mott-transition and high-temperature superconductivity.
T. Kita: Physica B 284-288 (2000) 531.
Vortex states of the E_u model for UPt₃.

F. J. Ohkawa: Phys. Rev. B 59 (1999) 8930.
Rerevance and irrelevance of three effective Hamiltonians for high-temperature superconductors with CuO₂ planes.
F. J. Ohkawa and H. Shimizu: J. Phys. Condens. Matter 11 (1999) L519.
Quadrupole and dipole orders in URu₂Si₂.
T. Kita: J. Phys. Soc. Jpn. 68 (1999) 3740.
An exact entropy expression for a many-body problem.
K. Yasui and T. Kita: Phys. Rev. Lett. 83 (1999) 4168; cond-mat/9905067.
Quasiparticles of d-wave superconductors in finite magnetic fields.
T. Kita: Phys. Rev. Lett. 83 (1999) 1846; cond-mat/9905068.
Vortex states of the E_u model for Sr₂RuO₄.

H. Satoh and F. J. Ohkawa: Phys. Rev. 57 (1998) 5891.
Field-induced ferromagnetic exchange interactions in metamagnetic transitions of heavy-electron liquids.
F. J. Ohkawa: K. Onoue and H. Satoh: J. Phys. Soc. Jpn. 67 (1998) 535.
Sinusoidal and helical structures in itinerant-electron magnets.
F. J. Ohkawa: J. Phys. Soc. Jpn. 67 (1998) 525.
Magnetic exchange interactions between quasiparticles in itienrant-electron magnets.
F. J. Ohkawa: Phys. Rev. 57 (1998) 412.
Quantum and thermal spin fluctuations in itinerant-electron magnets.
H. Satoh and F. J. Ohkawa: Jpn. J. Appl. Phys. Series 11 (1998) 21.
Field-dependent exchange interaction in CeRu₂Si₂.
T. Kita: J. Phys. Soc. Jpn. 67 (1998) 2075.
A microscopic theory of Abrikosov lattices: I. Basic formalism.
T. Kita: J. Phys. Soc. Jpn. 67 (1998) 2067.
Solving the Ginzburg-Landau equations with magnetic translation group.
T. Kita: J. Phys. Soc. Jpn. 67 (1998) 216.
Angular momentum of anisotropic superfluids at finite temperatures.

F. J. Ohkawa: Phys. Rev. B 54 (1996) 15388.
Heavy quasiparticles and Cooper-pair interaction in the Hubbard model.
T. Kita: J. Phys. Soc. Jpn. 65 (1996) 1373.
Perturbation expansion for a Fermi superfluid: II. Several equilibrium properties.
T. Kita: J. Phys. Soc. Jpn. 65 (1996) 1355.
Perturbation expansion for a Fermi superfluid: I. Basic formalism and angular momentum.
T. Kita: J. Phys. Soc. Jpn. 65 (1996) 908.
Real-space formalism of the theory of superconductivity.