Article

[2] 原子力機構、「スピン液晶」の特性解明--磁性材料開発に一役 (in Japanese)
日刊工業新聞 (2016年1月15日付)
[1] スピン液晶が異方的なスピンダイナミクス提示 (in Japanese)
科学新聞 (2015年9月4日付)


Paper

[pre] Dynamical quadrupole structure factor of ferromagnetic frustrated chain
Hiroaki Onishi
Submitted to Physica B
Proceedings of SCES2017 (9/17-21, 2017, Prague, Czech Republic)
[pre] Magnons in yttrium iron garnet studied by inelastic neutron scattering
Shin-ichi Shamoto, Takashi U. Ito, Hiroaki Onishi, Michiyasu Mori, Ryoichi Kajimoto, Mitsutaka Nakamura, Yasuhiro Inamura, Masato Matsuura, Mitsuhiro Akatsu, Katsuaki Kodama, Seiko Ohira-Kawamura, Yuichi Nemoto, and Sadamichi Maekawa
preprint: arXiv:1705.02167
[34] Quantum phase transitions driven by rhombic-type single-ion anisotropy in the S=1 Haldane chain
Yu-Chin Tzeng, Hiroaki Onishi, Tsuyoshi Okubo, and Ying-Jer Kao
Phys. Rev. B 96, 060404(R) (2017).
preprint: arXiv:1705.01558
[33] Magnetic structure and dispersion relation of the S=1/2 quasi-one-dimensional Ising-like antiferromagnet BaCo_{2}V_{2}O_{8} in a transverse magnetic field
M. Matsuda, H. Onishi, A. Okutani, J. Ma, H. Agrawal, T. Hong, D. M. Pajerowski, J. R. D. Copley, K. Okunishi, M. Mori, S. Kimura, and M. Hagiwara
Phys. Rev. B 96, 024439 (2017).
[32] Variational Wavefunction for the Periodic Anderson Model with Onsite Correlation Factors
Katsunori Kubo and Hiroaki Onishi
J. Phys. Soc. Jpn. 86, 013701 (2017)
preprint: arXiv:1611.05174
[31] JPSJ Papers of Editors' Choice
Magnetic Excitations of Spin Nematic State in Frustrated Ferromagnetic Chain
Hiroaki Onishi
J. Phys. Soc. Jpn. 84, 083702 (2015)
preprint: arXiv:1506.06891
[30] Effects of magnetic anisotropy on spin dynamics of ferromagnetic frustrated chain
Hiroaki Onishi
J. Phys.: Conf. Ser. 592, 012109 (2015)
preprint: arXiv:1506.06883
Proceedings of SCES2014 (7/7-11, 2014, Grenoble, France)
[29] Doping control of realization of an extended Nagaoka ferromagnetic state from the Mott state
Hiroaki Onishi and Seiji Miyashita
Phys. Rev. B 90, 224426 (2014)
preprint: arXiv:1501.02899
[28] Ground state of S=1 zigzag spin-orbital chain
Hiroaki Onishi
JPS Conf. Proc. 3, 014025 (2014)
preprint: arXiv:1310.8018
Proceedings of SCES2013 (8/5-9, 2013, Tokyo, Japan)
[27] Nonequilibrium dynamics of multiorbital correlated electron system under time-dependent electric fields
Hiroaki Onishi
Phys. Status Solidi B 250, 553 (2013)
preprint: arXiv:1310.8017
Proceedings of QCNP2012 (8/26-29, 2012, Dresden, Germany)
[26] Spin-orbital state induced by strong spin-orbit coupling
Hiroaki Onishi
J. Phys.: Conf. Ser. 391, 012102 (2012)
preprint: arXiv:1310.8016
Proceedings of SCES2011 (8/29-9/3, 2011, Cambridge, UK)
[25] Multipole correlations of t_{2g}-orbital Hubbard model with spin-orbit coupling
Hiroaki Onishi
J. Phys. Soc. Jpn. 80 Suppl. A, SA141 (2011)
preprint: arXiv:1101.2055
Proceedings of ICHE2010 (9/17-20, 2010, Hachioji, Japan)
[24] Dynamics of attractively interacting fermi atoms in one-dimensional optical lattices: Non-equilibrium simulations of fermion superfluidity
Masahiko Okumura, Hiroaki Onishi, Susumu Yamada, and Masahiko Machida
Physica C 470, S949-S952 (2010)
Proceedings of M2S-IX (9/7-12, 2009, Tokyo, Japan)
[23] Anomalous non-equilibrium electron transport in one-dimensional quantum nano wire at half-filling: time dependent density renormalization group study
Masahiko Okumura, Hiroaki Onishi, Susumu Yamada, and Masahiko Machida
J. Phys.: Conf. Ser. 248, 012031 (2010)
Proceedings of Dubna-Nano2010 (7/5-10, 2010, Dubna, Russia)
[22] Charge-spin-orbital dynamics of one-dimensional two-orbital Hubbard model
Hiroaki Onishi
J. Phys.: Conf. Ser. 200, 012152 (2010)
preprint: arXiv:1101.2054
Proceedings of ICM2009 (7/26-31, 2009, Karlsruhe, Germany)
[21] Antiferro-quadrupole state of orbital-degenerate Kondo lattice model with f^{2} configuration
Hiroaki Onishi and Takashi Hotta
J. Phys. Soc. Jpn. 77 Suppl. A, 199-201 (2008)
preprint: arXiv:0710.1579
Proceedings of Skutterudite2007 (9/26-30, 2007, Kobe, Japan)
[20] Deformation of SU(4) singlet spin-orbital state due to Hund's rule coupling
Hiroaki Onishi
Phys. Rev. B 76, 014441 (2007)
preprint: cond-mat/0701092
[19] Effect of Hund's rule coupling on SU(4) spin-orbital system
Hiroaki Onishi and Takashi Hotta
J. Magn. Magn. Mater. 310, 790-792 (2007)
preprint: cond-mat/0607104
Proceedings of ICM2006 (8/20-25, 2006, Kyoto, Japan)
[18] Spin-orbital gap in multiorbital antiferromagnet with geometrical frustration
Hiroaki Onishi and Takashi Hotta
Phys. Rev. B 75, 014410 (2007)
preprint: cond-mat/0604076 v2
[17] Stripe Charge Ordering in Triangular-Lattice Systems
Hiroaki Onishi and Takashi Hotta
AIP Conference Proceedings 850, 1075-1076 (2006)
preprint: cond-mat/0508414
Proceedings of LT24 (8/10-17, 2005, Orlando, U.S.A.)
[16] Multipole correlations in low-dimensional f-electron systems
Hiroaki Onishi and Takashi Hotta
J. Phys. Soc. Jpn. 75 Suppl., 266-269 (2006)
preprint: cond-mat/0511276
Proceedings of ASR-WYP-2005 (9/27-29, 2005, Tokai, Japan)
[15] Spin-chagre-orbital ordering in triangle-based lattices
Hiroaki Onishi and Takashi Hotta
Physica B 378-380, 589-591 (2006)
preprint: cond-mat/0506242
Proceedings of SCES'05 (7/26-30, 2005, Vienna, Austria)
[14] Spin, charge, and orbital correlations in the one-dimensional t_{2g}-orbital Hubbard model
Jose C. Xavier, Hiroaki Onishi, Takashi Hotta, and Elbio Dagotto
Phys. Rev. B 73, 014405 (2006)
preprint: cond-mat/0507472
[13] Suppression of spin frustration due to orbital selection
Hiroaki Onishi and Takashi Hotta
Phys. Rev. B 71, 180410(R) (2005)
preprint: cond-mat/0410023
[12] Key role of orbital anisotropy in geometrically frustrated electron system
Hiroaki Onishi and Takashi Hotta
Physica B 359-361, 669-671 (2005)
preprint: cond-mat/0408197
Proceedings of SCES'04 (7/26-30, 2004, Karlsruhe, Germany)
[11] An orbital-based scenario for the magnetic structure of neptunium compounds
Hiroaki Onishi and Takashi Hotta
New J. Phys. 6, 193 (2004)
preprint: cond-mat/0411100
[10] Orbital-controlled magnetic transition between gapful and gapless phases in the Haldane system with t_{2g}-orbital degeneracy
Hiroaki Onishi and Takashi Hotta
Phys. Rev. B 70, 100402(R) (2004)
preprint: cond-mat/0408479
[9] Effects of quantum lattice vibration on the spin-Peierls transition
Hiroaki Onishi and Seiji Miyashita
Physica B 329-333, 874-875 (2003)
Proceedings of LT23 (8/20-27, 2002, Hiroshima, Japan)
[8] Quantum Narrowing Effect in a Spin-Peierls System with Quantum Lattice Fluctuation
Hiroaki Onishi and Seiji Miyashita
J. Phys. Soc. Jpn. 72, 392-398 (2003)
preprint: cond-mat/0207025 v2
[7] First-order spin-Peierls transition in S=1 antiferromagnetic Heisenberg chains
Hiroaki Onishi and Seiji Miyashita
J. Phys. Chem. Solids. 63, 1451-1454 (2002)
Proceedings of ISSP8 (10/2-5, 2001, Kashiwa, Japan)
[6] Spin-Peierls Transition in S=1 Antiferromagnetic Heisenberg Chains
Hiroaki Onishi and Seiji Miyashita
Prog. Theor. Phys. Suppl. 145, 182-187 (2002)
Proceedings of YITP Workshop (11/15-16, 2001, Kyoto, Japan)
[5] Spin-Peierls transition of the first order in S=1 antiferromagnetic Heisenberg chains
Hiroaki Onishi and Seiji Miyashita
Phys. Rev. B 64, 014405 (2001)
preprint: cond-mat/0012377 v2
[4] Local magnetic structures induced by inhomogeneities of the lattice in S=1/2 bond-alternating chains and their response to a time-dependent magnetic field with noise
Masamichi Nishino, Hiroaki Onishi, Kizashi Yamaguchi, and Seiji Miyashita
Phys. Rev. B 62, 9463-9471 (2000)
preprint: cond-mat/0002082 v2
[3] Temperature Dependence of Spin and Bond Ordering in a Spin-Peierls System
Hiroaki Onishi and Seiji Miyashita
J. Phys. Soc. Jpn. 69, 2634-2641 (2000)
preprint: cond-mat/9912210 v2
[2] Local magnetic structure due to inhomogeneity of interaction in S=1/2 antiferromagnetic chains
Masamichi Nishino, Hiroaki Onishi, Pascal Roos, Kizashi Yamaguchi, and Seiji Miyashita
Phys. Rev. B 61, 4033-4040 (2000)
preprint: cond-mat/9906426
[1] Quantum Monte Carlo Study on Magnetization Processes
Hiroaki Onishi, Masamichi Nishino, Naoki Kawashima, and Seiji Miyashita
J. Phys. Soc. Jpn. 68, 2547-2552 (1999)
preprint: cond-mat/9903375 v2