Original Papers
  Authors Title Reference
Open access
Category
quantum problems
158 J. R. Finžgar, M. J. A. Schuetz, J. K. Brubaker, HN, and H. G. Katzgraber Designing quantum annealing schedules using Bayesian optimization arXiv:2305.13365 Quantum optimization
157 S. Arai, H. Oshiyama and HN Quantum annealing for continuous-variable optimization: How is it effective? arXiv:2305.06631 Quantum optimization
156 Y. Kimura and HN Convergence condition of simulated quantum annealing with a non-stoquastic catalyst J. Phys. A (2023) 56, 165304 Quantum optimization
155 Y. Kimura and HN Convergence condition of simulated quantum annealing for closed and open systems Phys. Rev. A 106, 062614 (2022) Quantum optimization
154 Y. Kimura and HN Rigorous convergence condition for quantum annealing J. Phys. A 55, 435302 (2022) Quantum optimization
153 Y. W. Koh and HN Quantum and classical annealing in a continuous space with multiple local minima Phys. Rev. A 105, 062435 (2022) Quantum optimization
152 A. D. King, S. Suzuki, J. Raymond, A. Zucca, T. Lanting, F. Altomare, A. J. Berkley, S. Ejtemaee, E. Hoskinson, S. Huang, E. Ladizinsky, A. MacDonald, G. Marsden, T. Oh, G. Poulin-Lamarre, M. Reis, C. Rich, Y. Sato, J. D. Whittaker, J. Yao, R. Harris, D. Lidar, HN, and M. H. Amin Coherent quantum annealing in a programmable 2,000 qubit Ising chain Nature Physics 13, 1324 (2022)
See here for open access version.		 Quantum simulation
151 T. Kadowaki and HN Greedy parameter optimization for diabatic quantum annealing Phil. Trans. Roy. Soc. A 381,20210416 (2022) Quantum optimization
150 Y. Bando, Ka-Wa Yip, Huo Chen, D. A. Lidar, and HN Breakdown of the weak coupling limit in experimental quantum annealing Phys. Rev. Appl. 17, 054003 (2022) Quantum simulation
149 HN Analyticity of the energy in an Ising spin glass with correlated disorder J. Phys. A 55, 045001 (2022) Spin glass
148 Y. Bando and HN Simulated quantum annealing as a simulator of non-equilibrium quantum dynamics Phys. Rev. A 104, 022607 (2021) Quantum simulation
147 K. Takada, S. Sota, S. Yunoki, B. Pokharel, HN, and D.A. Lidar Phase transition in the frustrated Ising ladder with stoquastic and non-stoquastic catalysts Phys. Rev. Res. 3, 043013 (2021) Quantum spin
146 Y. Susa and HN Variational optimization of quantum annealing schedule for the Lechner-Hauke-Zoller scheme Phys. Rev. A 103, 022619 (2021) Quantum optimization
145 L. Prielinger, A, Hartmann, Y. Yamashiro, K. Nishimura, W. Lechner, and HN Two-parameter counter-diabatic driving in quantum annealing Phys. Rev. Res. 3, 013227 (2021) Quantum optimization
144 K. Nishimura, HN, and H. G. Katzgraber Griffiths-McCoy singularity on the diluted chimera graph: Monte Carlo simulations and experiments on the quantum hardware Phys. Rev. A 102, 042403 (2020)  Quantum simulation
143 Y. Bando, Y. Susa, H. Oshiyama, N. Shibata, M. Ohzeki, F.J. Gómez-Ruiz, D.A. Lidar, S. Suzuki, A. del Campo, and HN Probing the universality of topological defect formation in a quantum annealer: Kibble-Zurek mechanism and beyond Phys. Rev. Res.2, 033369 (2020) Quantum simulation
142 Y. W. Koh and HN Reduction of the energy-gap scaling by coherent catalysis in models of quantum annealing Phys. Rev. A 101, 052304 (2020) Quantum optimization
141 K. Takada, Y. Yamashiro and HN Mean-field solution of the weak-strong cluster problem for quantum annealing with stoquastic and non-stoquastic catalysts J. Phys. Soc. Jpn. 89, 044001 (2020) Quantum optimization
140 G. Passarelli, K.-W. Yip, D. A. Lidar, HN, and P. Lucignano Reverse quantum annealing of the p-spin model with relaxation Phys. Rev. A 101, 022331(2020) Quantum optimization
139 Y. Susa and HN Performance enhancement of quantum annealing under the Lechner-Hauke-Zoller scheme by non-linear driving of the constraint term J. Phys. Soc. Jpn. 89, 044006 (2020) Quantum optimization
138 P. Hauke, H. G. Katzgraber, W. Lechner, HN, and W. D. Oliver Perspectives of quantum annealing: Methods and implementations Rep. Prog. Phys. 83, 054401 (2020)  Quantum optimization
137 Y. Yamashiro, M. Ohkuwa, HN, and D. A. Lidar Dynamics of reverse annealing for the fully connected p-spin model [Editor's Suggestion] Phys. Rev. A 100, 052321 (2019) Quantum optimization
136 S. Matsuura, HN, W. Vinci and D. A. Lidar Nested quantum annealing correction at finite temperature: p-spin models Phys. Rev. A 99, 062307 (2019) Quantum optimization
135 Y. Susa, Y. Yamashiro, M. Yamamoto, I. Hen, D.A. Lidar and HN Quantum annealing of the p-spin model under inhomogeneous transverse field driving Phys. Rev. A 98, 042326 (2018) Quantum optimization
134 M. Ohkuwa, HN, and D.A. Lidar Reverse annealing for the fully connected p-spin model Phys. Rev. A 98, 022314 (2018) Quantum optimization
133 Y. Susa, Y. Yamashiro, M. Yamamoto and HN Exponential speedup of quantum annealing by inhomogeneous driving of the transverse field [Editor's Choice][Highly-cited article] J. Phys. Soc. Jpn. 87, 023022 (2018) Quantum optimization
132 K. Nishimura and HN Quantum annealing with a non-vanishing final value of the transverse field Phys. Rev. A 96, 042310 (2017)  Quantum optimization
131 M. Ohkuwa and HN Exact expression of the energy gap at first-order quantum phase transitions of the fully connected p-body transverse-field Ising model with transverse interactions J. Phys. Soc. Jpn. 86, 114004 (2017) Quantum optimization
130 M. Wauters, R. Fazio, HN, and G. E. Santoro Direct comparison of quantum and simulated annealing on a fully-connected Ising ferromagnet Phys. Rev. A 96, 022326 (2017) Quantum optimization
129 Y. Susa, J. F. Jadebeck, and HN Relation between quantum fluctuations and the performance enhancement of quantum annealing in a non-stoquastic Hamiltonian Phys. Rev. A 95, 042321 (2017) Quantum optimization
128 S. Matsuura, HN, W. Vinci, T. Albash, and D.A. Lidar Quantum annealing correction at finite temperature: ferromagnetic p-spin models Phys. Rev. A 95, 022308 (2017) Quantum optimization
127 HN and K. Takada Exponential enhancement of the efficiency of quantum annealing by non-stoquastic Hamiltonians Frontiers in ICT 4, 2 (2017) Quantum optimization
126 K. Nishimura, HN, A. J. Ochoa, and H.G. Katzgraber Retrieving the ground state of spin glasses using thermal noise: Performance of quantum annealing at finite temperatures Phys. Rev. E 94, 032105 (2016) Spin Glass/Quantum optimization
125 K. Takada and HN Critical properties of dissipative quantum spin systems in finite dimensions J. Phys. A 49, 435001 (2016) Quantum phase transition
124 S. Matsuura, HN, T. Albash, and D.A. Lidar Mean field analysis of quantum error correction Phys. Rev. Lett. 116, 220501 (2016) Quantum optimization
123 M. Okuyama, Y. Yamanaka, HN and M. Rams Anomalous behavior of the energy gap in the one-dimensional quantum XY model Phys. Rev. E 92, 052116 (2015) Quantum phase transition
122 K. Kaneko and HN Adiabatic approximation for the imaginary-time Schrödinger equation and its application to simulated annealing J. Phys. Soc. Jpn. 84, 094001 (2015) Quantum optimization
121 Y. Seki and HN Quantum annealing with antiferromagnetic transverse interactions for the Hopfield model J. Phys. A 48 , 335301 (2015) Quantum optimization
120 HN Comparison of quantum annealing and simulated annealing Eur. Phys. J. Special Topics 224 (2015) 15 Quantum optimization
119 HN, J. Tsuda and S. Knysh Comparative study of the performance of quantum annealing and simulated annealing Phys. Rev. E91 (2015) 012104 Quantum optimization
118 J. Tsuda and HN Mean-field theory is exact for the random-field model with long-range interactions J. Phys. Soc. Jpn. 83 (2014) 074002 General spin systems
117 J. Tsuda, Y. Yamanaka and HN Energy gap at first-order quantum phase transitions: An anomalous case J. Phys. Soc. Jpn. 82 (2013) 114004 Quantum optimization/Quantum phase transition
116 R. Miyazaki and HN Real-space renormalization group approach to the random transverse-field Ising model in finite dimensions Phys. Rev. E 87 (2013) 032154 Spin glass/quantum spin
115 Y. Murata and HN Ensemble inequivalence in the spherical spin glass model with nonlinear interactions J. Phys. Soc. Jpn. 81 (2012) 114008 Ensemble inequivalence
114 B. Seoane and HN Many-body transverse interactions in the quantum annealing of the p-spin ferromagnet J. Phys. A 45 (2012) 435301 Quantum optimization
113 Y. Seki and HN Quantum annealing with antiferromagnetic fluctuations Phys. Rev. E 85 (2012) 051112 Quantum optimization
-- A.C.C. Coolen, HN, N. Sourlas, and K.Y.M. Wong Many-body theory, magnetism, spin glasses and related phenomena: Preface to the special issue to celebrate the 70th birthday of Prof Sherrington Phil. Mag. 92 (2012) 1 --
112 Z. Bertalan and HN Many-body spin glasses in the microcanonical ensemble Phil. Mag. 92 (2012) 2-15 Ensemble inequivalence
111 K. Takahashi, HN and V. Martin-Mayor Ensemble equivalence in spin systems with short-range interactions J. Stat. Mech. (2011) P08024 Ensemble inequivalence
110 M. Ohzeki, H. Katsuda and HN Nonequilibrium work on spin glasses in longitudinal and transverse fields J. Phys. Soc. Jpn. 80 (2011) 084002 Spin glass/Quantum optimization
109 Y. Matsuda, HN, L. Zdeborova and F. Krzakala Random-field p-spin glass model on regular random graphs J. Phys. A 44 (2011) 185002 Spin glass
108 HN Microcanonical analysis of spin glasses using gauge symmetry J. Phys. Soc. Jpn. 80 (2011) 023002 Ensemble inequivalence
107 Z. Bertalan, T. Kuma, Y. Matsuda and HN Ensemble inequivalence in the ferromagnetic p-spin model in random fields J. Stat. Mech. (2011) P01016 Ensemble inequivalence
106 R. Miyazaki, HN and G. Ortiz Real-space renormalization group for the transverse-field Ising model in two and three dimensions Phys. Rev. E 83 (2011) 051103 Quantum spin
105 M. Ohzeki and HN Quantum annealing: An introduction and new developments J. Comp. Theor. Nanoscience 8 (2011) 963 Quantum optimization
104 Z. Bertalan, HN and H. Orland Accelerated stochastic sampling of discrete statistical systems Phys. Rev. E 82 (2010) 056704 Classical sampling
103 M. Ohzeki and HN Non-equilibrium relations for spin glasses with gauge symmetry [News and Comments] J. Phys. Soc. Jpn. 79 (2010) 084003 Spin glass
102 Y. Matsuda, M. Müller, HN, T. Obuchi and A. Scardicchio Distribution of partition function zeros of the ±J model on the Bethe lattice [Highlights of 2010] J. Phys. A 43 (2010) 285002 Spin glass
101 M. Ohzeki and HN Analytical evidence for the absence of spin glass transition in self-dual lattices J. Phys. A 42 (2009) 332001 Spin glass
100 Y. Matsuda, HN and H. G. Katzgraber Ground-state statistics from annealing algorithms: Quantum vs classical approaches New J. Phys. 11 (2009) 073012 Quantum optimization
99 T. Obuchi, Y. Kabashima and HN Complex Replica Zeros of ±J Ising Spin Glass at Zero Temperature J. Phys. A 42 (2009) 075004 Spin glass
98 S. Morita and HN Mathematical foundation of quantum annealing J. Math. Phys. 49 (2008) 125210 Quantum optimization
97 P. Contucci, C. Giardinà and HN Spin glass identities and the Nishimori line Prog. in Probability 62 (2009) 103-121 Spin glass
96 M. Ohzeki, HN and A. N. Berker Multicritical points for the spin glass models on hierarchical lattices Phys. Rev. E 77 (2008) 061116 Spin glass
95 C. Güven, A. N. Berker, M. Hinczewski and HN Reentrant and forward phase diagrams of the anisotropic three-dimensional Ising spin glass Phys. Rev. E 77 (2008) 061110 Spin glass
-- A.C.C. Coolen, HN, N. Sourlas, and K.Y.M. Wong Viewing the world through spin glasses: Preface to the special issue in honour of Prof Sherrington J. Phys. A 41 (2008) 320301 --
94 Y. Matsuda, HN and K. Hukushima Distribution of Lee-Yang zeros and Griffiths singularities in the ±J model of spin glasses J. Phys. A 41 (2008) 324012 Spin glass
93 H. Kitatani, HN and A. Aoki Inequalities for the local energy of random Ising models J. Phys. Soc. Jpn. 76 (2007) 074711 Spin glass
92 S. Morita and HN Convergence of quantum annealing with real-time Schrödinger dynamics J. Phys. Soc. Jpn. 76 (2007) 064002 Quantum optimization
91 S. Suzuki, HN and M. Suzuki Quantum annealing of the random-field Ising model by transverse ferromagnetic interactions Phys. Rev. E 75 (2007) 051112 Quantum optimization
90 T. Obuchi, HN and D. Sherrington Phase diagram of the p-spin interacting spin glass with ferromagnetic bias and a transverse field in the infinite-p limit J. Phys. Soc. Jpn. 75 (2007) 054002 Spin glass
89 HN Duality in spin glasses J. Stat. Phys. 126 (2007) 977-986 Spin glass
88 S. Morita and HN Convergence theorems for quantum annealing J. Phys. A 39 (2006) 13903-13920 Quantum optimization
87 M. Ohzeki and HN Internal energy of the Potts model on the triangular lattice with two- and three-body interactions J. Phys. Soc. Jpn. 75 (2006) 114003 General spin systems
86 HN and M. Ohzeki Location of the multicritical point of the Ising spin glass on the triangular and hexagonal lattices J. Phys. Soc. Jpn. 75 (2006) 034004 Spin glass
85 S. Morita, Y. Ozeki and HN Gauge theory for quantum spin glasses [News and Comments] J. Phys. Soc. Jpn. 75 (2006) 014001 Spin glass
84 P. Contucci, S. Morita and HN Surface terms on the Nishimori line of the gaussian Edwards-Anderson model J. Stat. Phys. 122(2006) 303-312 Spin glass
83 K. Takeda, T. Sasamoto and HN Exact location of the multicritical point for finite-dimensional spin glasses: A conjecture J. Phys. A 38 (2005) 3751-3774 Spin glass
82 HN and P. Sollich Error counting in a quantum error-correcting code and the ground-state energy of a spin glass J. Phys. Soc. Jpn. 73 (2004) 2701-2707 Spin glass/quantum information
81 S. Morita, HN and P. Contucci Griffiths inequalities for the gaussian spin glass J. Phys. A 37 (2004) L203-L209 Spin glass
80 T. Hamasaki and HN Exact ground-state energies of the random-field Ising chain and ladder J. Phys. Soc. Jpn. 73 (2004) 1490-1495 Random field
79 K. Takeda and HN Self-dual random-plaquette gauge model and the quantum toric code Nucl. Phys. B 686 (2004) 377-396 Lattice gauge/quantum information
-- E. Marinari, HN and F. Ricci-Tersenghi Statistical physics of disordered systems: from real materials to optimization and codes: Preface to a special issue on spin glasses J. Phys. A 36 (2003) --
78 J.-M. Maillard, K. Nemoto and HN Symmetry, complexity and multicritical point of the two-dimensional spin glass J. Phys. A 36 (2003) 9799-9825 Spin glass
77 T. Hosaka, Y. Kabashima and HN Statistical Mechanics of lossy data compression using a non-monotonic perceptron Phys. Rev. E 66 (2002) 066126 Information
76 HN Derivatives and inequalities for order parameters in the Ising spin glass J. Phys. A 35 (2002) 9541-9548 Spin glass
75 HN, C. Falvo and Y. Ozeki Energy fluctuations at the multicritical point in two-dimensional spin glasses J. Phys. A 35 (2002) 8171-8178 Spin glass
74 HN and K. Nemoto Duality and multicritical point of two-dimensional spin glasses J. Phys. Soc. Jpn. 71 (2002) 1198-1199 Spin glass
73 Y. Saika and HN Statistical mechanics of image restoration by the plane rotator model J. Phys. Soc. Jpn. 71 (2002) 1052-1058 Information
72 HN Comment on 'Statistical Mechanics of CDMA Multiuser Demodulation' Europhys. Lett. 57 (2002) 302-303 Information
71 T. Sasamoto, T. Toyoizumi and HN Statistical mechanics of an NP-complete problem : Subset sum J. Phys. A 34 (2001) 9555-9567 Information
70 P. Gillin, HN and D. Sherrington Multispin Ising spin glass with ferromagnetic interactions J. Phys. A 34 (2001) 2949-2964 Spin glass
69 P. Sollich, HN, A. C. C. Coolen and A. J. van der Sijs Non-trivial phase behaviour in the infinite-range quantum Mattis model J. Phys. Soc. Jpn. 69 (2000) 3200-3213 Quantum spin
68 K. Y. M. Wong and HN Error-correcting codes and image restoration with multiple stages of dynamics Phys. Rev. E 62 (2000)179-190 Information
67 HN and K.Y.M. Wong Statistical mechanics of image restoration and error-correcting codes Phys. Rev. E 60 (1999) 132-144 Information
66 T. Kadowaki and HN Quantum annealing in the transverse Ising model Phys. Rev. E 58 (1998) 5355-5363 Quantum optimization
65 HN and J. Inoue Convergence of simulated annealing using the generalized transition probability J. Phys. A 31 (1998) 5661-5672 Information
64 J. Inoue, HN and Y. Kabashima Generalization ability of a perceptron with nonmonotonic transfer function Phys. Rev. E 58 (1998) 849-860 Neural net
63 M. Yamana, H. Nishimori T. Kadowaki and D. Sherrington High-temperature dynamics of spin glasses J. Phys. Soc. Jpn. 66 (1997) 1962 Spin glass
62 J. Inoue, HN and Y. Kabashima On-line learning of non-monotonic rules by simple perceptron J. Phys. A 30 (1997) 3795 Neural net
61 J. Inoue and HN On-line AdaTron learning of unlearnable rules Phys. Rev. E 55 (1997) 4544 Neural net
60 HN and Y. Nonomura Quantum effects in neural networks J. Phys. Soc. Jpn. 65 (1996) 3780 Quantum information/neural net
59 T. Kadowaki, Y. Nonomura and HN Exact ground-state energy of the Ising spin glass on strips J. Phys. Soc. Jpn. 65 (1996) 1609 Spin glass
58 HN and M. Yamana Dynamical probability distribution function of the SK model at high temperatures J. Phys. Soc. Jpn. 65 (1996) 3 Spin glass
57 HN, W. Whyte and D. Sherrington Finite-dimensional neural networks storing structured patterns Phys. Rev. E 51 (1995) 3628 Spin glass
56 T. Ozeki and HN Noise distributions in retrieval dynamics of the Hopfield model J. Phys. A 27 (1994) 7061 Neural net
55 K. Fukamachi and HN Specific heat of the quantum Heisenberg antiferromagnet on the kagome lattice Phys. Rev. B 49 (1994) 651 Quantum spin
54 HN and I. Opris Retrieval process of an associative memory with a general input-output function Neural Networks 6 (1993) 1061 Neural net
53 HN and H. Kawamura Gauge glass ordering in two dimensions J. Phys. Soc. Jpn. 62 (1993) 3266 Spin glass
52 HN Optimum decoding temperature for error-correcting codes J. Phys. Soc. Jpn. 62 (1993) 2973 Information
51 Y. Ozeki and HN Phase diagram of gauge glasses J. Phys. A 26 (1993) 3399 Spin glass
50 HN and T. Ozeki Retrieval dynamics of associative memory of the Hopfield type J. Phys. A 26 (1993) 859 Neural net
49 T. Nakamura, N. Hatano and HN Reweighting method for quantum Monte Carlo simulations with the negative-sign problem J. Phys. Soc. Jpn .61 (1992) 3494 Quantum spin
48 Y. Saika and HN Long-range order in the frustrated XXZ model J. Phys. Soc. Jpn. 61 (1992) 3086 Quantum spin
47 Y. Ozeki and HN Lower critical dimension of the XY spin glass Phys. Rev. B 46 (1992) 2879 Spin glass
46 HN Boundary between the ferromagnetic and spin glass phases J. Phys. Soc. Jpn. 61 (1992) 1011 Spin glass
45 HN and Y. Saika Note on twisted order in the frustrated quantum Heisenberg model J. Phys. Soc. Jpn. 61 (1992) 391 Quantum spin
44 HN and Y. Saika Modified spin wave theory of the two-dimensional frustrated Heisenberg model J. Phys. Soc. Jpn. 59 (1990) 4454 Quantum spin
43 T. Nakamura and HN Sequential retrieval of nonrandom patterns in a neural network J. Phys. A 23 (1990) 4627 Neural net
42 HN, T. Nakamura and M. Shiino Retrieval of spatio-temporal sequence in asynchronous neural network Phys. Rev. A 41 (1990) 3346 Neural net
41 HN and Y. Ozeki Absence of ordering in short-range vector spin glass: Revisited J. Phys. Soc. Jpn. 59 (1990) 295 Spin glass
40 HN and H. Nakanishi More about the ground state of the quantum spin system of the triangular lattice J. Phys. Soc. Jpn. 58 (1989) 3433 Quantum spin
39 M. Shiino, HN and M. Ono Nonlinear master equation approach of asymmetrical neural networks of the Hopfield-Hemmen type J. Phys. Soc. Jpn. 58 (1989) 763 Neural net
38 HN and Y. Ozeki Ground-state long-range order in the two-dimensional XXZ model J. Phys. Soc. Jpn. 58 (1989) 1027 Quantum spin
37 Y. Ozeki, HN and Y. Tomita Long-range order in antiferromagnetic quantum spin systems J. Phys. Soc. Jpn. 58 (1989) 82 Quantum spin
36 HN, K. Kubo, Y. Ozeki, Y. Tomita and T. Kishi Long-range order in the XXZ model J. Stat. Phys. 55 (1989) 259 Quantum spin
35 Y. Ozeki and HN Absence of spin glass ordering in some random spin systems J. Phys. Soc. Jpn. 57 (1988) 4255 Spin glass
34 HN and Y. Tomita Ground state of the three-dimensional quantum RKKY spin glass J. Phys. Soc. Jpn. 57 (1988) 1566 Quantum spin
33 Y. Ozeki and HN Distribution of Yang-Lee zeros of the ±J Ising model J. Phys. Soc. Jpn. 57 (1988) 1087 Spin glass
32 HN and H. Nakanishi Ground state of quantum spin systems on the triangular lattice J. Phys. Soc. Jpn. 57 (1988) 626 58 2607 (Erratum) Quantum spin
31 T. Oguchi, H. Kitatani and HN Perturbational method for the numerical evaluation of the ground-state energy of the Heisenberg model J. Phys. Soc. Jpn. 56 (1987) 3858 Quantum spin
30 HN, K. Okamoto and M. Yokozawa Competition between the Neel and the effective singlet states in spin-1/2 alternating Heisenberg-Ising antiferromagnet in one dimension J. Phys. Soc. Jpn. 56 (1987) 4126 Quantum spin
29 Y. Ozeki and HN Phase diagram of the ±J Ising model in two dimensions J. Phys. Soc. Jpn. 56 (1987) 3265 Spin glass
28 HN Comment on Nemeth's argument on the phase diagram of spin glasses J. Phys. A 20 (1987) 3551 Spin glass
27 Y. Ozeki and HN Phase diagram and critical exponents of the ±J Ising model in finite dimensions by Monte Carlo renormalization group J. Phys. Soc. Jpn. 56 (1987) 1568
Addendum: 56 (1987) 2992		 Spin glass
26 HN and K. Okamoto Numerical analysis of spin-1/2 alternating Heisenberg-XY antiferromagnet in one dimension J. Phys. Soc. Jpn. 56 (1987) 1132 Quantum spin
25 HN and Y. Taguchi Numerical diagonalization of quantum spin Hamiltonians Prog. Theor. Phys. Suppl. 87 (1986) 247 Quantum spin
24 HN and S. Miyashita Magnetization process of the spin-1/2 antiferromagnetic Ising-like Heisenberg model on the triangular lattice J. Phys. Soc. Jpn. 55 (1986) 4448 Quantum spin
23 HN Geometry-induced phase transition in the ±J Ising model J. Phys. Soc. Jpn. 55 (1986) 3305 Spin glass
22 HN Exact results on the Ising spin glass in finite dimensions Prog. Theor. Phys. 76 (1986) 305 Spin glass
21 K. Okamoto, HN and Y. Taguchi A numerical study of spin-1/2 alternating antiferromagnetic Heisenberg linear chains J. Phys. Soc. Jpn. 55 (1986) 1458 Quantum spin
20 HN, Y.Taguchi and T. Oguchi Ground state of quantum spin glasses with infinite range interactions J. Phys. Soc. Jpn. 55 (1986) 656 Quantum spin
19 T. Oguchi, HN and Y. Taguchi Ground state of antiferromagnetic quantum spin systems of the triangular lattice J. Phys. Soc. Jpn. 55 (1986) 323 Quantum spin
18 T. Oguchi, HN and Y. Taguchi Ground state properties of the Heisenberg antiferromagnet-- Numerical study J. Mag. Mag. Mat. 54-57 (1986) 1353 Quantum spin
17 T. Oguchi, HN and Y. Taguchi The spin wave theory in antiferromagnetic Heisenberg model on face centered cubic lattice J. Phys. Soc. Jpn. 54 (1985) 4494 Quantum spin
16 HN One dimensional critical exponent eta as a function of the spin quantum number and anisotropy Prog. Theor. Phys. 73 (1985) 1577 Quantum spin
15 HN and S. J. Miyake Ground-state energy of the Heisenberg model with XY-like anisotropy Prog. Theor. Phys. 73 (1985) 18 Quantum spin
14 HN One-dimensional XY model in Lorentzian random field Phys. Lett. 100A (1984) 239 Quantum spin
13 HN Analyticity of the free energy of the two-dimensional random Ising model Phys. Lett. 95A (1983) 303 Spin glass
12 HN Potts model in random fields Phys. Rev. B 28 (1983) 4011 Spin glass
11 HN and M. J. Stephen Gauge-invariant frustrated Potts spin glass Phys. Rev. B 27 (1983) 5644 Spin glass
10 HN and R. B. Griffiths Structure and motion of the Lee-Yang zeros J. Math. Phys. 24 (1983) 2637 General spin systems
9 F. Tanaka and HN Distribution of metastable energy levels and the internal magnetic fields in spin glasses J. Phys. F 11 (1981) 1237 Spin glass
8 HN Internal energy, specific heat and correlation function of the bond-random Ising model Prog. Theor. Phys. 66 (1981) 1169 Spin glass
7 HN Spin quantum number in the ground state of the Mattis-Heisenberg model J. Stat. Phys. 26 (1981) 839 Quantum spin
6 HN and M. Suzuki Absence of spontaneous magnetization in spin systems with competing interactions Phys. Lett. 81A (1981) 84 Spin glass
5 HN Exact results and critical properties of the Ising model with competing interactions J. Phys. C 13 (1980) 4071 Spin glass
4 HN Conjecture of the exact transition point of the random Ising ferromagnet J. Phys. C 12 (1979) L905 Spin glass
3 HN Transition point of the random Ising model with bond dilution J. Phys. C 12 (1979) L641 Spin glass
2 HN Transition point of the five-state discrete vector model Physica A 97(1979) 589 General spin system
1 S. Miyashita, HN, A. Kuroda and M. Suzuki Monte Carlo simulation and static and dynamic critical behavior of the plane rotator model Prog. Theor. Phys. 60 (1978) 1669 General spin system