大西弘明 (Hiroaki Onishi)
〒319-1195 茨城県那珂郡東海村大字白方2番地4 日本原子力研究開発機構 先端基礎研究センター
Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, JAPAN
Presentation
[111] |
Magnetic exciation and spin transport in frustrated quantum spin chain Hiroaki Onishi ISSP Joint-Use Supercomputer and CCMS workshop 4/2(Mon)-3(Tue)/2018, Kashiwa, Japan Poster, 4/2 |
[110] |
Propagation dynamics of bound magnons in spin nematic state Hiroaki Onishi JPS 73th Annual Meeting 2018 3/22(Thu)-25(Sun)/2018, Tokyo, Japan Oral, 3/24, 24pK303-7 |
[109] |
Spin and thermal transport in spin multipole phase Hiroaki Onishi Workshop on Quantum Spin Systems 12/4(Mon)-5(Tue)/2017, Minoo, Japan Oral, 12/4, 4-9 |
[108] |
Magneto-thermal effect in spin nematic state of frustrated ferromagnetic chain Hiroaki Onishi JPS Autumn Meeting 2017 9/21(Thu)-24(Sun)/2017, Morioka, Japan Oral, 9/22, 22pE26-12 |
[107] |
Dynamical quadrupole structure factor of frustrated ferromagnetic chain Hiroaki Onishi The International Conference on Strongly Correlated Electron Systems (SCES2017) 7/17(Mon)-21(Fri)/2017, Prague, Czech Republic Poster, 7/17, Mo-4-36 Proceedings: To appear in Physica B |
[106] |
Magnetic exciation and spin transport in frustrated quantum spin chain Hiroaki Onishi ISSP Joint-Use Supercomputer and CCMS workshop 4/3(Mon)-4(Tue)/2017, Kashiwa, Japan Poster, 4/3 |
[105] |
Spin transport and heat transport of frustrated quantum spin chains Hiroaki Onishi Workshop on Quantum Spin Systems 12/2(Fri)-3(Sat)/2016, Fukui, Japan Oral, 12/3, 3-3 |
[104] |
Spin transport and heat transport of frustrated quantum spin chains Hiroaki Onishi JPS Autumn Meeting 2016 9/13(Tue)-16(Fri)/2016, Kanazawa, Japan Oral, 9/14, 14pBK-5 |
[103] |
Spin and quadrupole excitations in spin nematic state Hiroaki Onishi 8th International Conference on Highly Frustrated Magnetism (HFM2016) 9/7(Wed)-11(Sun)/2016, Taipei, Taiwan Poster |
[102] |
Magnetic excitations of spin nematic state in frustrated ferromagnetic chain Hiroaki Onishi Post-K Workshop 5/7(Sat)/2016, Tokyo, Japan Oral, 5/7, No.7 |
[101] |
Magnetic excitations of spin nematic state in frustrated ferromagnetic chain Hiroaki Onishi ISSP Workshop "スピン系物理の深化と最前線" 11/16(Mon)-18(Wed)/2015, Kashiwa, Japan Poster, 11/17, P14 |
[100] |
Transverse field induced state in anisotropic ferromagnetic frustrated chain Hiroaki Onishi JPS Autumn Meeting 2015 9/16(Wed)-19(Sat)/2015, Suita, Japan Poster, 9/16, 16pPS-33 |
[99] |
Effects of magnetic anisotropy on spin nematic state Hiroaki Onishi JPS 70th Annual Meeting 2015 3/21(Sat)-24(Tue)/2015, Tokyo, Japan Poster, 3/21, 21pPSA-42 |
[98] |
Entanglement entropy of spin-orbital system Hiroaki Onishi YITP Workshop "New Trends in Quantum Many-body Physics" 12/15(Mon)-17(Wed)/2014, Kyoto, Japan Poster, 12/16, P1 |
[97] |
Dynamical DMRG study of spin dynamics of ferromagnetic frustrated chain Hiroaki Onishi 4th CCMS Symposium & ISSP Joint-Use Supercomputer Activity Report 2014 11/12(Wed)-14(Fri)/2014, Kashiwa, Japan Poster, 11/13, P07 |
[96] |
Effect of magnetic field on spin-orbital state of vanadium oxides with zigzag chain structure Hiroaki Onishi JPS Autumn Meeting 2014 9/7(Sun)-10(Wed)/2014, Kasugai, Japan Poster, 9/9, 9aPS-39 |
[95] |
Effects of magnetic anisotropy on spin dynamics of ferromagnetic frustrated chain Hiroaki Onishi The International Conference on Strongly Correlated Electron Systems (SCES2014) 7/7(Mon)-11(Fri)/2014, Grenoble, France Poster, 7/8, Tu-089 Proceedings: J. Phys.: Conf. Ser. 592, 012109 (2015) |
[94] |
Spin dynamics of ferromagnetic frustrated chain in applied magnetic field Hiroaki Onishi The OIST International Workshop on Novel Quantum Materials and Phases (NQMP2014) 5/14(Wed)-17(Sat)/2014, Okinawa, Japan Poster, 5/15, 15P-5 |
[93] |
Spin-orbital state of vanadium oxides with zigzag chain structure Hiroaki Onishi JPS 69th Annual Meeting 2014 3/27(Thu)-30(Sun)/2014, Shonan, Japan Oral, 3/28, 28pCG-8 |
[92] |
Spin dynamics of ferromagnetic frustrated chain in high magnetic field Hiroaki Onishi Workshop on Quantum Spin Systems 12/13(Fri)-14(Sat)/2013, Fukui, Japan Oral, 12/13, 13-5 |
[91] |
Ground state of S=1 zigzag spin-orbital chain Hiroaki Onishi JPS Autumn Meeting 2013 9/25(Wed)-28(Sat)/2013, Tokushima, Japan Poster, 9/25, 25pPSB-28 |
[90] |
Magnetic excitations of spin-1/2 frustrated anisotropic ferromagnetic chain in magnetic field Hiroaki Onishi Light and Particle Beams in Materials Science (LPBMS2013) 8/29(Thu)-31(Sat)/2013, Tsukuba, Japan Poster, 8/29-30, P049 |
[89] |
Ground state of S=1 zigzag spin-orbital chain Hiroaki Onishi The International Conference on Strongly Correlated Electron Systems (SCES'13) 8/5(Mon)-9(Fri)/2013, Tokyo, Japan Poster, 8/6, 6P-218 Proceedings: JPS Conf. Proc. 3, 014025 (2014) |
[88] |
Electronic state induced by spin-orbit coupling in 5d transition metal oxides Hiroaki Onishi The IMR-ASRC 4th REIMEI International Workshop 7/31(Wed)-8/2(Fri)/2013, Tokai, Japan Poster, 7/31-8/1, PP13 |
[87] |
Spin and multipole dynamics of ferromagnetic frustrated chain in high magnetic field Hiroaki Onishi JPS 68th Annual Meeting 2013 3/26(Tue)-29(Fri)/2013, Higashi-Hiroshima, Japan Oral, 3/27, 27aXW-4 |
[86] |
Spin and multipole dynamics of ferromagnetic frustrated chain in high magnetic field Hiroaki Onishi JAEA Synchrotron Radiation Research Symposium "Magnetism in Quantum Beam Science" 3/11(Mon)-13(Wed)/2013, SPring-8, Japan Poster, 3/12, P6 |
[85] |
Multipole state of 5d transition metal oxides with strong spin-orbit coupling Hiroaki Onishi The 4th Workshop on "Emergence of Heavy Electrons and Their Ordering" 1/12(Sat)-14(Mon)/2013, O-Okayama, Japan Poster, 1/13, PS83 |
[84] |
Dynamical spin structure factor of ferromagnetic frustrated chain Hiroaki Onishi YITP Workshop "Physics of Quantum Spin Systems" 11/12(Mon)-14(Wed)/2012, Kyoto, Japan Oral, 11/13, No.6, Session 4 |
[83] |
Multipole state in 5d transition metal oxides Hiroaki Onishi JPS Autumn Meeting 2012 9/18(Tue)-21(Fri)/2012, Yokohama, Japan Oral, 9/21, 21aFG-5 |
[82] |
Dynamical spin structure factor of ferromagnetic-antiferromagnetic zigzag spin chain Hiroaki Onishi JPS Autumn Meeting 2012 9/18(Tue)-21(Fri)/2012, Yokohama, Japan Oral, 9/18, 18aCC-2 |
[81] |
Non-equilibrium dynamics of multi-orbital correlated electron system under time-depending electric field Hiroaki Onishi The International Conference on Quantum Criticality and Novel Phases (QCNP2012) 8/26(Sun)-29(Wed)/2012, Dresden, Germany Poster, 8/28, TP39 Proceedings: Phys. Status Solidi B 250, 553 (2013) |
[80] |
Multipole state in 5d transition metal oxides Hiroaki Onishi 10th Prague Colloquium on f-Electron Systems (PCFES2012) 8/21(Tue)-24(Fri)/2012, Prague, Czech Republic Oral, 8/23, o28 |
[79] |
Charge-spin-orbital excitation dynamics in Mott insulator induced by spin-orbit coupling Hiroaki Onishi JPS 67th Annual Meeting 2012 3/24(Sat)-27(Tue)/2012, Nishinomiya, Japan Oral, 3/25, 25aYF-4 |
[78] |
Spin-orbital state in 5d transition metal oxides with strong spin-orbit coupling Hiroaki Onishi Sixth Open Symposium of Next-Generation Integrated Nanoscience Simulation Software 3/5(Mon)-6(Tue)/2012, Kobe, Japan Poster, 3/6, N37 |
[77] |
Spin-orbital state in 5d transition metal oxides with strong spin-orbit coupling Hiroaki Onishi The 2nd ASRC International Workshop on Magnetic Materials and Nanostructures 1/10(Tue)-13(Fri)/2012, Tokai, Japan Poster, 1/10-13, No.33 |
[76] |
Complex orbital state and multipole state in 5d transition metal oxides with strong spin-orbit coupling Hiroaki Onishi Heavy-Electrons Workshop "New quantum phases in strongly correlated systems with multi-degrees of freedom" 11/11(Fri)-12(Sat)/2011, Niigata, Japan Oral, 11/11, 11B2 |
[75] |
Excitation dynamics of spin-orbit-induced Mott insulator Hiroaki Onishi JPS Autumn Meeting 2011 9/21(Wed)-24(Sat)/2011, Toyama, Japan Poster, 9/22, 22aPS-7 |
[74] |
Spin-orbital state induced by strong spin-orbit coupling Hiroaki Onishi The International Conference on Strongly Correlated Electron Systems (SCES'11) 8/29(Mon)-9/3(Sat)/2011, Cambridge, UK Poster, 8/31, No.46 Proceedings: J. Phys.: Conf. Ser. 391, 012102 (2012) |
[73] |
Non-equilibrium dynamics of multi-orbital system under time-depending electric field Hiroaki Onishi JPS 66th Annual Meeting 2011 3/25(Fri)-28(Mon)/2011, Niigata, Japan Oral, 3/28, 28aEF-11 |
[72] |
Time-dependent DMRG study of real-time dynamics of strongly correlated electron systems with orbital degeneracy Hiroaki Onishi Fifth Open Symposium of Next-Generation Integrated Nanoscience Simulation Software 2/22(Tue)-23(Wed)/2011, Kobe, Japan Poster, 2/23, P36 |
[71] |
Wavepacket dynamics in one-dimensional extended Hubbard model Hiroaki Onishi and Elbio Dagotto The third international workshop on dynamics and manipulation of quantum systems (DMQS2010) 2/14(Mon)-16(Wed)/2011, Tokyo, Japan Poster, 2/15, P-14 |
[70] |
Time-dependent DMRG study of real-time dynamics of strongly correlated electron systems with orbital degeneracy Hiroaki Onishi ISSP-CMSI-Nano Project Joint Workshop 1/5(Wed)-7(Fri)/2011, Kashiwa, Japan Poster, 1/6, N-11 |
[69] |
Time-dependent DMRG study of orbital-degenerate Hubbard model Hiroaki Onishi New Development of Numerical Simulations in Low-Dimensional Quantum Systems: From Density Matrix Renormalization Group to Tensor Network Formulations 10/27(Wed)-29(Fri)/2010, Kyoto, Japan Poster, 10/28, No.15 |
[68] |
Effect of spin-orbit coupling in strongly correlated compounds Hiroaki Onishi Joint International Conference on Supercomputing in Nuclear Application + Monte Carlo (SNA+MC2010) 10/17(Sun)-21(Thu)/2010, Tokyo, Japan Oral, 10/20, A2-5 |
[67] |
Complex orbital state and multipole state in 5d transition metal oxides Hiroaki Onishi JPS Autumn Meeting 2010 9/23(Thu)-26(Sun)/2010, Sakai, Japan Oral, 9/25, 25aXP-5 |
[66] |
Wavepacket dynamics in junction of one-dimensional strongly correlated electron systems Hiroaki Onishi and Elbio Dagotto JPS Autumn Meeting 2010 9/23(Thu)-26(Sun)/2010, Sakai, Japan Oral, 9/24, 24aTE-3 |
[65] |
Multipole correlations in t_{2g}-orbital Hubbard model with spin-orbit coupling Hiroaki Onishi International Conference on Heavy Electrons (ICHE2010) 9/17(Fri)-20(Mon)/2010, Hachioji, Japan Poster, 9/19, PSB92 Proceedings: J. Phys. Soc. Jpn. 80 Suppl. A, SA141 (2011) |
[64] |
Non-equilibrium dynamics of multi-orbital system under time-depending electric field Hiroaki Onishi Joint European Magnetic Symposia (JEMS2010) 8/23(Mon)-28(Sat)/2010, Krakow, Poland Poster, 8/27, Abs.464 |
[63] |
Transport properties of one-dimensional extended Hubbard model with repulsive and attractive Coulomb interaction Hiroaki Onishi and Elbio Dagotto The International Workshop "Ultracold Fermi Gas: Superfluidity and Strong-Correlation (USS-2010)" 5/13(Thu)-15(Sat)/2010, Tokyo, Japan Poster, 5/14, No.2 |
[62] |
Ground state of strongly correlated electron systems with spin-orbit interaction Hiroaki Onishi JPS 65th Annual Meeting 2010 3/20(Sat)-23(Tue)/2010, Okayama, Japan Poster, 3/21, 21pPSB-13 |
[61] |
Real-time dynamics of one-dimensional multi-orbital model Hiroaki Onishi YITP Workshop "Photo-induced Phenomena in Correlated Electron Systems" 12/10(Thu)-11(Fri)/2009, Kyoto, Japan Poster, 12/10, No.2 |
[60] |
Real-time dynamics of one-dimensional orbital degenerate Hubbard model Hiroaki Onishi The second international workshop on dynamics and manipulation of quantum systems (DMQS2009) 10/13(Tue)-16(Fri)/2009, Tokyo, Japan Oral, 10/14, No.5 |
[59] |
Charge excitation dynamics of one-dimensional orbital degenerate Hubbard model Hiroaki Onishi JPS Autumn Meeting 2009 9/25(Fri)-28(Mon)/2009, Kumamoto, Japan Oral, 9/26, 26aRK-2 |
[58] |
Spin-orbital state of orbital-degenerate periodic Anderson model Hiroaki Onishi The 2nd Workshop on "Emergence of Heavy Electrons and Their Ordering" 8/18(Tue)-20(Thu)/2009, Higashi-Hiroshima, Japan Poster, 8/19, PS52 |
[57] |
Spin-orbital state of orbital-degenerate periodic Anderson model Hiroaki Onishi The International Conference on Quantum Criticality and Novel Phases (QCNP2009) 8/2(Sun)-5(Wed)/2009, Dresden, Germany Poster, 8/3, MP7 |
[56] |
Charge-spin-orbital dynamics of one-dimensional two-orbital Hubbard model Hiroaki Onishi The 18th International Conference on Magnetism (ICM2009) 7/26(Sun)-31(Fri)/2009, Karlsruhe, Germany Poster, 7/28, Tu-D-1.4-39 Proceedings: J. Phys.: Conf. Ser. 200, 012152 (2019) |
[55] |
Effects of electron-phonon interaction in quantum-dot systems Hiroaki Onishi, Elbio Dagotto JPS 64th Annual Meeting 2009 3/27(Fri)-30(Mon)/2009, Tokyo, Japan Oral, 3/30, 30aTX-2 |
[54] |
Numerical study of orbital-degenerate periodic Anderson model Hiroaki Onishi The 1st Workshop on "Emergence of Heavy Electrons and Their Ordering" 3/9(Mon)-11(Wed)/2009, Kashiwa, Japan Poster, 3/10, PS104 |
[53] |
Real-time dynamics of spin-charge separation of one-dimensional strongly correlated electron systems Hiroaki Onishi, Ivan Gonzalez, Roger Melko, Elbio Dagotto Workshop on "Classical and quantum dynamics and non-equilibrium stastical mechanics" 3/1(Sun)-3(Tue)/2009, Tokyo, Japan Oral, 3/1, No.8 |
[52] |
Spin-orbital dynamics of multi-orbital system Hiroaki Onishi YITP Workshop "Recent Progress in Density Matrix Renormalization Group (DMRG)" 12/16(Tue)-17(Wed)/2008, Kyoto, Japan Oral, 12/16, No.3 |
[51] |
Many-body effects on transport properties of one-dimensional Hubbard chains Hiroaki Onishi, Elbio Dagotto JPS Autumn Meeting 2008 9/20(Sat)-23(Tue)/2008, Morioka, Japan Oral, 9/22, 22aYF-1 |
[50] |
Time-dependent DMRG study of spin-charge separation of one-dimensional correlated electron systems Hiroaki Onishi, Ivan Gonzalez, Roger Melko, Elbio Dagotto ISSP Workshop on "New developments in the physics of heavy fermions" 7/23(Wed)-25(Fri)/2008, Kashiwa, Japan Poster, 7/24, P19 |
[49] |
Real-time dynamics of spinons and holons in one-dimensional correlated electron systems Hiroaki Onishi, Ivan Gonzalez, Roger Melko, Elbio Dagotto JPS 63rd Annual Meeting 2008 3/22(Sat)-26(Wed)/2008, Higashi-Osaka, Japan Oral, 3/23, 23aTE-12 |
[48] |
Real-time dynamics of spinons and holons in one-dimensional correlated electron systems Hiroaki Onishi, Ivan Gonzalez, Roger Melko, Elbio Dagotto APS March Meeting 2008 3/10(Mon)-14(Fri)/2008, New Orleans, U.S.A. Oral, 3/11, L27.00008 |
[47] |
Antiferro-orbital state of orbital-degenerate Kondo lattice model with f^{2} configuration Hiroaki Onishi, Takashi Hotta International Conference on "New Quantum Phenomena in Skutterudite and Related Systems" 9/26(Wed)-30(Sun)/2007, Kobe, Japan Poster, 9/28, PA05 Proceedings: J. Phys. Soc. Jpn. 77 Suppl. A, 199-201 (2008) |
[46] |
Antiferro-quadrupole structure of PrPb_{3} Hiroaki Onishi, Takashi Hotta JPS Spring Meeting 2007 3/18(Sun)-21(Wed)/2007, Kagoshima, Japan Poster, 3/18, 18pPSA-50 |
[45] |
Deformation of SU(4) singlet spin-orbital state due to Hund's rule coupling Hiroaki Onishi, Takashi Hotta APS March Meeting 2007 3/5(Mon)-9(Fri)/2007, Denver, U.S.A. Oral, 3/8, W11.00012 |
[44] |
Effect of Hund's rule coupling in one-dimensional SU(4) spin-orbital system Hiroaki Onishi, Takashi Hotta JPS Autumn Meeting 2006 9/23(Sat)-26(Tue)/2006, Chiba, Japan Oral, 9/25, 25pXD-3 |
[43] |
Incommensurate orbital structure due to competition between itinerant and localized f-electron orbitals Hiroaki Onishi, Takashi Hotta 8th Prague Colloquium on f-Electron Systems (PCFES8) 9/8(Fri)-11(Mon)/2006, Prague, Czech Republic Oral, 9/9, O-11 |
[42] |
Effect of Hund's rule coupling on SU(4) spin-orbital system Hiroaki Onishi, Takashi Hotta The 17th International Conference on Magnetism (ICM2006) 8/20(Sun)-25(Fri)/2006, Kyoto, Japan Poster, 8/24, PSTh-A-047 Proceedings: J. Magn. Magn. Mater. 310, 790-792 (2007) |
[41] |
Low-energy properties of one-dimensional spin-orbital model Hiroaki Onishi, Takashi Hotta ISSP International Symposium on Computational Approaches to Quantum Critical Phenomena 8/9(Wed)-11(Fri)/2006, Kashiwa, Japan Poster, 8/9, P8 |
[40] |
Incommensurate orbital state due to competition between itinerant and localized f-electron orbitals Hiroaki Onishi, Takashi Hotta The 4th Workshop on "Evolution of New Quantum Phenomena Realized in the Filled Skutterudite Structure" 6/1(Thu)-3(Sat)/2006, Sendai, Japan Poster, 6/2, P2-29 |
[39] |
Multipole correlations in one-dimensional f-electron systems Hiroaki Onishi, Takashi Hotta JPS 61st Annual Meeting 2006 3/27(Mon)-30(Thu)/2006, Matsuyama, Japan Oral, 3/28, 28pTC-7 |
[38] |
Multipole properties of one-dimensional f-electron systems Hiroaki Onishi, Takashi Hotta APS March Meeting 2006 3/13(Mon)-17(Fri)/2006, Baltimore, U.S.A. Oral, 3/17, Z23.00009 |
[37] |
Multipole correlations in low-dimensional f-electron systems Hiroaki Onishi, Takashi Hotta The 5th International Symposium on Advanced Science Research in Celebration of the World Year of Physics 2005 (ASR-WYP-2005) 9/27(Tue)-29(Thu)/2005, Tokai, Japan Poster, 9/27, PSA26 Proceedings: J. Phys. Soc. Jpn. 75 Suppl., 266-269 (2006) |
[36] |
Charge, spin, and orbital structure in t_{2g}-orbital degenerate Hubbard model Hiroaki Onishi, Takashi Hotta JPS Autumn Meeting 2005 9/19(Mon)-22(Thu)/2005, Kyotanabe, Japan Oral, 9/21, 21pYJ-4 |
[35] |
Stripe Charge Ordering in Triangular-Lattice Systems Hiroaki Onishi, Takashi Hotta The 24th International Conference on Low Temperature Physics (LT24) 8/10(Wed)-17(Wed)/2005, Orlando, U.S.A. Oral, 8/13, Sa3-4 Proceedings: AIP Conf. Proc. 850, 1075-1076 (2006) |
[34] |
Spin-Charge-Orbital Ordering on Triangle-Based Lattices Hiroaki Onishi, Takashi Hotta The International Conference on Strongly Correlated Electron Systems (SCES'05) 7/26(Tue)-30(Sat)/2005, Vienna, Austria Poster, 7/28, Th-FHO-23 Proceedings: Physica B 378-380, 589-591 (2006) |
[33] |
Spin frustration controlled by orbital fluctuations Hiroaki Onishi, Takashi Hotta APS March Meeting 2005 3/21(Mon)-25(Fri)/2005, Los Angels, U.S.A. Oral, 3/23, S9.00014 |
[32] |
Effects of t_{2g} orbital degree of freedom in spin S=1 Haldane systems Hiroaki Onishi, Takashi Hotta YITP Workshop "モンテカルロ法の新展開3" 2/28(Mon)-3/2(Wed)/2005, Kyoto, Japan Poster, 3/1, 008 |
[31] |
Spin and orbital states of frustrated orbital-degenerate Hubbard model Hiroaki Onishi, Takashi Hotta The 3rd Workshop on "Evolution of New Quantum Phenomena Realized in the Filled Skutterudite Structure" 2005/1/6(Thu)-8(Sat)/2005, Kobe, Japan Poster, 1/7, PS41 |
[30] |
Effects of t_{2g} orbital degree of freedom in the Haldane system Hiroaki Onishi, Takashi Hotta IMR Workshop "New Insights of t_{2g} Orbital Systems" 10/14(Thu)-15(Fri)/2004, Sendai, Japan Oral, 10/14, No.10 |
[29] |
Spin and Orbital Structure of Np-115 Compounds Hiroaki Onishi, Takashi Hotta JPS Autumn Meeting 2004 9/12(Sun)-15(Wed)/2004, Aomori, Japan Poster, 9/14, 14pPSA-47 |
[28] |
Disappearance of Spin Frustration due to Orbital Ordering Hiroaki Onishi, Takashi Hotta JPS Autumn Meeting 2004 9/12(Sun)-15(Wed)/2004, Aomori, Japan Oral, 9/13, 13pWD-12 |
[27] |
Key Role of Orbital Anisotropy in Geometrically Frustrated Electron System Hiroaki Onishi, Takashi Hotta The International Conference on Strongly Correlated Electron Systems (SCES'04) 7/26(Mon)-30(Fri)/2004, Karlsruhe, Germany Poster, 7/29, TCE2-85 Proceedings: Physica B 359-361, 669-671 (2005) |
[26] |
Orbital Anisotropy and Gemetrical Frustration in Strongly Correlated Electron Systems Hiroaki Onishi, Takashi Hotta The 20th General Conference of the Condensed Matter Division of the European Physical Society 7/19(Mon)-23(Fri)/2004, Prague, Czech Republic Poster, 7/22, S4X11 |
[25] |
Orbital Ordering and Magnetic Phase Transition in the Haldane System Hiroaki Onishi, Takashi Hotta JPS 59th Annual Meeting 2004 3/27(Sat)-30(Tue)/2004, Fukuoka, Japan Oral, 3/28, 28aXL-1 |
[24] |
Orbital-Controlled Magnetic Transition between Gapful and Gapless Phases in the Haldane System with t_{2g}-orbital Degeneracy Hiroaki Onishi, Takashi Hotta Workshop on "Magnetism and superconductivity in f-electron systems" 2/23(Mon)-24(Tue)/2004, Tokai, Japan Poster, 2/23, No.28 |
[23] |
Spin and orbital states of one-dimensional t_{2g}-orbital degenerate Hubbard model Hiroaki Onishi, Takashi Hotta Workshop forcussed on Research Reports "Novel Quantum Phenomena in Transition Metal Oxides" 1/19(Mon)-21(Wed)/2004, Bunkyo, Japan Poster, 1/21, P3-1 |
[22] |
Spin and Orbital Structure in the Ground State of Orbital Degenerate Hubbard Models Hiroaki Onishi, Takashi Hotta The 3rd International Workshop on Novel Quantum Phenomena in Transition Metal Oxides and The 1st Asia-Pacific Workshop on "Strongly Correlated Electron Systems" 11/5(Wed)-8(Sat)/2003, Sendai, Japan Poster, 11/7, P3-30 |
[21] |
Ferromagnetism in Orbital-Degenerate Hubbard Zigzag Chain Hiroaki Onishi, Takashi Hotta JPS Autumn Meeting 2003 9/20(Sat)-23(Tue)/2003, Okayama, Japan Oral, 9/21, 21pTM-2 |
[20] |
Spin and Orbital States in Orbital Degenerate Hubbard Model Hiroaki Onishi, Takashi Hotta, Kazuo Ueda JPS 58th Annual Meeting 2003 3/28(Fri)-31(Mon)/2003, Sendai, Japan Oral, 3/29, 29pWA-9 |
[19] |
Effects of quantum lattice vibration on the spin-Peierls transition Hiroaki Onishi, Seiji Miyashita The 23rd International Conference on Low Temperature Physics (LT23) 8/20(Tue)-27(Tue)/2002, Hiroshima, Japan Poster, 8/25, 25CP47 Proceedings: Physica B 329-333, 874-875 (2003) |
[18] |
Quantum phonon effect and temperature effect in a spin-Peierls system Hiroaki Onishi, Seiji Miyashita JPS 57th Annual Meeting 2002 3/24(Sun)-27(Wed)/2002, Kusatsu, Japan Oral, 3/27, 27aXJ-3 |
[17] |
Spin-Peierls transition in S=1 antiferromagnetic Heisenberg chain with spin-phonon coupling Hiroaki Onishi, Seiji Miyashita Workshop on "Orbital Ordering and Fluctuations in d- and f-electron Systems" 3/4(Mon)-6(Wed)/2002, Tokai, Japan Poster, 3/5, No.6 |
[16] |
Microscopic Structures of Spin and Lattice in Spin-Peierls Systems Hiroaki Onishi, Seiji Miyashita Workshop forcussed on Research Reports "Novel Quantum Phenomena in Transition Metal Oxides" 1/16(Wed)-18(Fri)/2002, Bunkyo, Japan Poster, 1/17, P2-40 |
[15] |
Spin-Peierls Transition in S=1 Antiferromagnetic Heisenberg Chains Hiroaki Onishi, Seiji Miyashita YITP Workshop "Order, Disorder, and Dynamics in Quantum Spin Systems" 11/15(Thu)-16(Fri)/2001, Kyoto, Japan Oral, 11/16, No.17 Proceedings: Prog. Theor. Phys. Suppl. 145, 182-187 (2002) |
[14] |
First-order spin-Peierls transition in S=1 antiferromagnetic Heisenberg chains Hiroaki Onishi, Seiji Miyashita INTERNATIONAL WORKSHOP ON MATERIALS SIMULATION --PRESENT AND FUTURE-- 11/7(Wed)-10(Sat)/2001, Shonan, Japan Poster, 11/7 and 9, No.34 |
[13] |
First-order spin-Peierls transition in S=1 antiferromagnetic Heisenberg chains Hiroaki Onishi, Seiji Miyashita International Symposium ISSP-Kashiwa 2001 "Correlated Electrons" (ISSP8) 10/2(Tue)-5(Fri)/2001, Kashiwa, Japan Poster, 10/3, PB-57 Proceedings: J. Phys. Chem. Solids. 63, 1451-1454 (2002) |
[12] |
Quantum spin and phonon effects in a spin-Peierls system Hiroaki Onishi, Seiji Miyashita JPS Autumn Meeting 2001 9/17(Mon)-20(Thu)/2001, Tokushima, Japan Oral, 9/18, 18pZA-8 |
[11] |
Spin-Peierls transition of the first order in S=1 antiferromagnetic Heisenberg chains Hiroaki Onishi, Seiji Miyashita JPS 56th Annual Meeting 2001 3/27(Tue)-30(Fri)/2001, Hachioji, Japan Oral, 3/27, 27pXB-6 |
[10] |
First order spin-Peierls transition in a Haldane system Hiroaki Onishi, Seiji Miyashita Workshop forcussed on Research Reports "Novel Quantum Phenomena in Transition Metal Oxides" 1/8(Mon)-10(Wed)/2001, Sendai, Japan Poster, 1/8, P1-31 |
[9] |
Spin-Peierls instability in a Haldane system Hiroaki Onishi, Seiji Miyashita The 5th BUTSUKO Symposium on Phase Control in Spin-Charge-Photon Coupled Systems 12/12(Tue)-15(Fri)/2000, Shonan, Japan Poster, 12/13, P18 |
[8] |
Spin-Peierls Instability in Haldane Systems Hiroaki Onishi, Seiji Miyashita JPS 55th Annual Meeting 2000 9/22(Fri)-25(Mon)/2000, Niigata, Japan Oral, 9/24, 24pTE-10 |
[7] |
Effect of inhomogeneity of lattice on spin-Peierls order Hiroaki Onishi, Seiji Miyashita JPS Autumn Meeting 2000 3/22(Wed)-25(Sat)/2000, Suita, Japan Oral, 3/23, 23aZ-5 |
[6] |
Local magnetic structure due to inhomogeneity of interaction in S=1/2 antiferromagnetic chain I Hiroaki Onishi, Masamichi Nishino, Kizashi Yamaguchi, Seiji Miyashita 1999/9/24(Fri)-27(Mon) JPS Autumn Meeting 1999 9/24(Fri)-27(Mon)/1999, Morioka, Japan Oral, 9/24, 24aYQ6 |
[5] |
Quantum Monte Carlo simulation on temperature and magnetic field dependence of spin-Peierls order Hiroaki Onishi, Seiji Miyashita JPS Autumn Meeting 1999 9/24(Fri)-27(Mon)/1999, Morioka, Japan Oral, 9/26, 26aT8 |
[4] |
Quantum Monte Carlo study for magnetization process Hiroaki Onishi, Seiji Miyashita JPS 54th Annual Meeting 1999 3/28(Sun)-31(Wed)/1999, Higashihiroshima, Japan Poster, 3/30, 30pPSA |
[3] |
Quantum Monte Carlo method for magnetization process Hiroaki Onishi, Masamichi Nishino, Seiji Miyashita YITP Workshop "量子効果が顕著な役割を果たす磁性現象の新展開" 3/8(Mon)-10(Wed)/1999, Kyoto, Japan Poster Proceedings: Bussei Kenkyu 72-6, 791-793 (1999) |
[2] |
Susceptibility and spin correlation in the one dimensional Heisenberg antiferromagnets with spin-Peierls fluctuation Hiroaki Onishi, Seiji Miyashita JPS Autumn Meeting 1998 9/25(Fri)-28(Mon)/1998, Nishihara, Japan Oral, 9/27, 27aB2 |
[1] |
Temperature dependence of spin ordering in the one-dimensional Heisenberg antiferromagnets with spin-Peierls fluctuation Hiroaki Onishi, Seiji Miyashita JPS 53rd Annual Meeting 1998 3/30(Mon)-4/2(Thu)/1998, Funabashi, Japan Oral, 3/31, 31aYN7 |