1999

(1) X. Hu, T. Koyama, and M. Tachiki: "Phase diagram of a superconducting and antiferromagnetic system with SO(5) symmetry", Phys. Rev. Lett. vol. 82, p. 2568 (1999).

(2) Y. Nonomura, X. Hu, and M. Tachiki: "Flux-line entanglement as the mechanism of melting transition in high-temperature superconductors in a magnetic field", Phys. Rev. B vol. 59, p. R11657 (1999).

(3) Y. Nonomura and X. Hu: "Flux-line entanglement as the mechanism of FLL-melting transition in anisotropic HTSC", J. Low Temp. Phys. vol. 117, 1447 (1999).

(4) X. Hu: "Antiferromagnetism and superconductivity transitions with SO(5) symmetry", J. Low Temp. Phys. vol. 117, p. 289 (1999).

(5) X. Hu and M. Tachiki: "Monte Carlo simulation on the first-order flux lattice melting in high-Tc superconductors", Advances in Superconductivity XI (Springer-Verlag Tokyo), p. 579 (1999).

(6) T. Yorozu and X. Hu: "Magnetization hystereses in trilayer systems with an in-plane component defect", J. Appl. Phys. vol. 86, p. 1581 (1999).

(7) A. Tanaka and M. Machida: "Berry phase from vortex dynamics in BCS superconductors revisited", Physica C vol. 313, p. 141 (1999).

(8) X. Hu: "Vortex states and phase transition of high-Tc superconductors in a magnetic field viewed by computer simulation", Butsuri vol. 54, p. 734 (1999) [in Japanese].

(9) N. Ito, Y. Ozeki, and Y. Nonomura: "Non-equilibrium relaxation study on equilibrium state", Butsuri vol. 54, p. 336 (1999) [in Japanese].

1998

(1) X. Hu and M. Tachiki: "Structure and phase transition of Josephson vortices in anisotropic high-Tc superconductors", Phys. Rev. Lett. vol. 80, p. 4044 (1998).

(2) A. Tanaka and M. Machida: "Comment on "Localization and metal-insulator transition in multilayered quantum Hall structures", Phys. Rev. Lett. vol. 81, p.1746 (1998).

(3) M. Hagiwara, Y. Narumi, K. Kindo, M. Kohno, H. Nakano, R. Sato, and M. Takahashi: "Experimental Verification of the Gapless Point in the S=1 Antiferromagnetic Bond Alternating Chain", Phys. Rev. Lett. vol. 80, p. 1312 (1998).

(4) X. Hu, S. Miyashita and M. Tachiki: "Monte Carlo simulation on the phase transition in the flux states of high-Tc superconductors: B//c axis", Phys. Rev. B vol. 58, p.3438 (1998).

(5) X. Hu and Y. Kawazoe: "Micromagnetic study on ultrathin magnetic films", Comp. Mater. Sci. vol. 10, p. 198 (1998).

(6) M. Tachiki, S. E. Shafranjuk, and X. Hu: "Vortex lattice structure and Josephson plasma in high-Tc superconductors", Chinese J. Phys. vol. 36, p. 171 (1998).

(7) T. Yorozu and X. Hu: "Magnetization of a trilayer structure with alternate in-plane and out-of-plane anisotropies", J. Appl. Phys. vol. 84, p. 3278 (1998).

(8) M. Kohno, M. Takahashi, and M. Hagiwara: "Low-temperature properties of the spin-1 antiferromagnetic Heisenberg chain with bond alternation", Phys. Rev. B vol. 57, p. 1046 (1998).

(9) A. Tanaka and M. Machida: "Nonabelian chiral anomaly and the spin-gap in one-dimensional interacting electron systems", J. Phys. Soc. Jpn. vol. 67, p. 748 (1998).

(10) Y. Nonomura: "New quantum Monte Carlo study of quantum critical phenomena with Trotter-number-dependent finite-size scaling and non-equilibrium relaxation", J. Phys. A vol. 31, p. 7939 (1998).

(11) Y. Nonomura: "New quantum Monte Carlo approach to ground-state phase transitions in quantum spin systems", J. Phys. Soc. Jpn. vol. 67, p. 5 (1998).

(12) X. Hu: "Spin reorientation in ultrathin magnetic films with surface anisotropy", Cond. Matt. News vol. 7, p. 18 (1998).

1997

(1) X. Hu, S. Miyashita and M. Tachiki: "Delta-function peak in the specific heat of high-Tc superconductors: Monte Carlo simulation", Phys. Rev. Lett. vol. 79, p. 3498 (1997).

(2) X. Hu, S. Miyashita and M. Tachiki: "Simulation for the first-order vortex-lattice melting transition in high-Tc superconductors", Physica C vol. 282-287, p. 2057 (1997).

(3) X. Hu: "Magnetization reversal and coercive force in ultrathin films with perpendicular surface anisotropy: micromagnetic theory", Phys. Rev. B vol. 55, p. 8382 (1997).

(4) M. Kohno: "Aspects of the ground state of the U=�� Hubbard ladder", Phys. Rev. B vol. 56, p. 15015 (1997).

(5) M. Kohno and M. Takahashi: "Magnetization process of the spin-1/2 XXZ models on square and cubic lattices", Phys. Rev. B vol. 56, p. 3212 (1997).

(6) M. Kohno: "Ground-state properties of the two-dimensional t-J model", Phys. Rev. B vol. 55, p. 1435 (1997).

(7) M. Machida, A. Tanaka, H. Kaburaki and M. Tachiki: "Direct numerical experiments for interlayer Josephson plasma and fluctuation of vortices in layered high-Tc superconductors", Physica C vol. 288, p. 199 (1997).

(8) M. Machida, M. Tachiki, T. Koyama, S. Takahashi and A. Tanaka: "Direct numerical experiments on vortex dynamics and superconducting plasma in layered high-Tc superconductors", Advances in Superconductivity IX (Springer-Verlag Tokyo), p. 76 (1997).

(9) Y. Nonomura: "Quantum Monte Carlo study of phase diagram and critical phenomena of the quantum Heisenberg Mattis model in two dimensions", J. Phys. Soc. Jpn. vol. 66, p. 2638 (1997).

(10) Z. Honda, Y. Nonomura, and K. Katsumata: "Magnetic susceptibility of [Cu2(C2O4)(C10H8N2)2](NO3)2 --- a candidate for a spin ladder compound", J. Phys. Soc. Jpn. vol. 66, p. 3689 (1997).

(11) Y. Ozeki, Y. Nonomura, and K. Hukushima: "Symmetry in the phase diagram of the site-random Ising spin glass model in two dimensions", J. Phys. Soc. Jpn. vol. 66, p. 1165 (1997).

(12) K. Hukushima, Y. Nonomura, Y. Ozeki, and H. Takayama: "Phase diagram of three-dimensional site-random Ising model", J. Phys. Soc. Jpn. vol. 66, p. 215 (1997).

(13) M. Tachiki and X. Hu: "Mystery of vortex in superconductors", Mathematical Science vol. 412, p. 34 (1997) [in Japanese].

(14) X. Hu: "Micromagnetics of ultrathin magnetic films and multilayers", Journal of the Magnetics Society of Japan vol. 21, p. 1281 (1997) [in Japanese].

1996