papers

M. Pütz, S. J. Garratt, H. Nishimori, S. Trebst, and G.-Y. Zhu, arXiv:2504.12385
Learning transitions in classical Ising models and deformed toric codes 

H. Nishimori,  Phys. Rev. E 111,  044109 (2025)
Instability of the ferromagnetic phase under random fields in an Ising spin glass with correlated disorder

H. Nishimori, Phys. Rev. E 110, 064108 (2024)
Anomalous distribution of magnetization in an Ising spin glass with correlated disorder

Y. Couzinié, Y. Nishiya, H. Nishi, T. Kosugi, H. Nishimori, and Y. Matsushita,  Phys.  Rev. A 109, 032416 (2024)
Annealing for prediction of grand canonical crystal structures: Implementation of n-body atomic interactions

J. R. Finžgar, M. J. A. Schuetz, J. K. Brubaker, H. Nishimori, and H. G. Katzgraber,  Phys. Rev. Res. 4, 023063 (2024)
Designing quantum annealing schedules using Bayesian optimization

S. Arai, H. Oshiyama and H. Nishimori,  Phys. Rev. A 108, 042403 (2023)
Effectiveness of quantum annealing for continuous-variable optimization

Y. Kimura and H. Nishimori,  J. Phys. A 56, 165304 (2023)
Convergence condition of simulated quantum annealing with a non-stoquastic catalyst

Y. Kimura and H. Nishimori,  Phys. Rev. A 106, 062614 (2022)
Convergence condition of simulated quantum annealing for closed and open systems

Y. Kimura and H. Nishimori,  J. Phys. A 55, 435302 (2022)
Rigorous convergence condition for quantum annealing

Y. W. Koh and H. Nishimori,  Phys. Rev. A 105, 062435 (2022)
Quantum and classical annealing in a continuous space with multiple local minima

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, H. Nishimori, and M. H. Amin,
Nature Physics 13, 1324 (2022)  Here for the open access version.
Coherent quantum annealing in a programmable 2,000 qubit Ising chain

T. Kadowaki and H. Nishimori, Phil. Trans. Roy. Soc. A 381,20210416 (2022)
Greedy parameter optimization for diabatic quantum annealing

Y. Bando, Ka-Wa Yip, Huo Chen, D. A. Lidar, and H. Nishimori,  Phys. Rev. Appl. 17, 054003 (2022)
Breakdown of the weak coupling limit in experimental quantum annealing

H. Nishimori, J. Phys. A 55, 045001 (2022)
Analyticity of the energy in an Ising spin glass with correlated disorder

Y. Bando and H. Nishimori, Phys. Rev. A 104, 022607 (2021)
Simulated quantum annealing as a simulator of non-equilibrium quantum dynamics

K. Takada, S. Sota, S. Yunoki, B. Pokharel, H. Nishimori, and D.A. Lidar,  Phys. Rev. Res. 3, 043013 (2021)
Phase transition in the frustrated Ising ladder with stoquastic and non-stoquastic catalysts

Y. Susa and H. Nishimori, Phys. Rev. A 103, 022619 (2021)
Variational optimization of quantum annealing schedule for the Lechner-Hauke-Zoller scheme

L. Prielinger, A, Hartmann, Y. Yamashiro, K. Nishimura, W. Lechner, and H. Nishimori, Phys. Rev. Res. 3, 013227 (2021)
Two-parameter counter-diabatic driving in quantum annealing 

K. Nishimura, H. Nishimori, and H. G. Katzgraber,  Phys. Rev. A 102, 042403 (2020)
Griffiths-McCoy singularity on the diluted chimera graph: Monte Carlo simulations and experiments on the quantum hardware

Y. Bando, Y. Susa, H. Oshiyama, N. Shibata, M. Ohzeki, F.J. Gómez-Ruiz, D.A. Lidar, S. Suzuki, A. del Campo, and H. Nishimori, Phys. Rev. Res.2, 033369 (2020)
Probing the universality of topological defect formation in a quantum annealer: Kibble-Zurek mechanism and beyond

Y. W. Koh and H. Nishimori, Phys. Rev. A 101, 052304 (2020)
Reduction of the energy-gap scaling by coherent catalysis in models of quantum annealing

K. Takada, Y. Yamashiro and H. Nishimori, J. Phys. Soc. Jpn. 89, 044001 (2020)
Mean-field solution of the weak-strong cluster problem for quantum annealing with stoquastic and non-stoquastic catalysts

G. Passarelli, K.-W. Yip, D. A. Lidar, H. Nishimori, and P. Lucignano, Phys. Rev. A 101, 022331(2020)
Reverse quantum annealing of the p-spin model with relaxation

Y. Susa and H. Nishimori, J. Phys. Soc. Jpn. 89, 044006 (2020)
Performance enhancement of quantum annealing under the Lechner-Hauke-Zoller scheme by non-linear driving of the constraint term

P. Hauke, H. G. Katzgraber, W. Lechner, H. Nishimori, and W. D. Oliver, Rep. Prog. Phys. 83, 054401 (2020)
Perspectives of quantum annealing: Methods and implementations

Y. Yamashiro, M. Ohkuwa, H. Nishimori, and D. A. Lidar, Phys. Rev. A 100, 052321 (2019)
Dynamics of reverse annealing for the fully connected p-spin model [Editor's Suggestion]

S. Matsuura, H. Nishimori, W. Vinci and D. A. Lidar,  Phys. Rev. A 99, 062307 (2019)
Nested quantum annealing correction at finite temperature: p-spin models

Y. Susa, Y. Yamashiro, M. Yamamoto, I. Hen, D.A. Lidar and H. Nishimori, Phys. Rev. A 98, 042326 (2018)
Quantum annealing of the p-spin model under inhomogeneous transverse field driving

M. Ohkuwa, H. Nishimori, and D.A. Lidar,  Phys. Rev. A 98, 022314 (2018)
Reverse annealing for the fully connected p-spin model

Y. Susa, Y. Yamashiro, M. Yamamoto and H. Nishimori, J. Phys. Soc. Jpn. 87, 023022 (2018)
Exponential speedup of quantum annealing by inhomogeneous driving of the transverse field [Editor's Choice][Highly-cited article] Outstanding Paper Award of the Physical Society of Japan

K. Nishimura and H. Nishimori,  Phys. Rev. A 96, 042310 (2017)
Quantum annealing with a non-vanishing final value of the transverse field

M. Ohkuwa and H. Nishimori,  J. Phys. Soc. Jpn. 86, 114004 (2017)
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

M. Wauters, R. Fazio, H. Nishimori, and G. E. Santoro,  Phys. Rev. A 96, 022326 (2017)
Direct comparison of quantum and simulated annealing on a fully-connected Ising ferromagnet

Y. Susa, J. F. Jadebeck, and H. Nishimori,  Phys. Rev. A 95, 042321 (2017)
Relation between quantum fluctuations and the performance enhancement of quantum annealing in a non-stoquastic Hamiltonian

S. Matsuura, H. Nishimori, W. Vinci, T. Albash, and D.A. Lidar,  Phys. Rev. A 95, 022308 (2017)
Quantum annealing correction at finite temperature: ferromagnetic p-spin models

H. Nishimori and K. Takada, Frontiers in ICT 4, 2 (2017)
Exponential enhancement of the efficiency of quantum annealing by non-stoquastic Hamiltonians

K. Nishimura, H. Nishimori, A. J. Ochoa, and H.G. Katzgraber,  Phys. Rev. E 94, 032105 (2016)
Retrieving the ground state of spin glasses using thermal noise: Performance of quantum annealing at finite temperatures

K. Takada and H. Nishimori,  J. Phys. A 49, 435001 (2016)
Critical properties of dissipative quantum spin systems in finite dimensions

S. Matsuura, H. Nishimori, T. Albash, and D.A. Lidar,  Phys. Rev. Lett. 116, 220501 (2016)
Mean field analysis of quantum error correction

M. Okuyama, Y. Yamanaka, H. Nishimori and M. Rams,  Phys. Rev. E 92, 052116 (2015)
Anomalous behavior of the energy gap in the one-dimensional quantum XY model

K. Kaneko and H. Nishimori,  J. Phys. Soc. Jpn. 84, 094001 (2015)
Adiabatic approximation for the imaginary-time Schrödinger equation and its application to simulated annealing

Y. Seki and H. Nishimori,  J. Phys. A 48 , 335301 (2015)
Quantum annealing with antiferromagnetic transverse interactions for the Hopfield model

H. Nishimori,  Eur. Phys. J. Special Topics 224 (2015) 15
Comparison of quantum annealing and simulated annealing

H. Nishimori, J. Tsuda and S. Knysh,  Phys. Rev. E91 (2015) 012104
Comparative study of the performance of quantum annealing and simulated annealing

J. Tsuda and H. Nishimori, J. Phys. Soc. Jpn. 83 (2014) 074002
Mean-field theory is exact for the random-field model with long-range interactions

J. Tsuda, Y. Yamanaka and H. Nishimori, J. Phys. Soc. Jpn. 82 (2013) 114004
Energy gap at first-order quantum phase transitions: An anomalous case 

R. Miyazaki and H. Nishimori,  Phys. Rev. E 87 (2013) 032154
Real-space renormalization group approach to the random transverse-field Ising model in finite dimensions

Y. Murata and H. Nishimori, J. Phys. Soc. Jpn. 81 (2012) 114008
Ensemble inequivalence in the spherical spin glass model with nonlinear interactions

B. Seoane and H. Nishimori, J. Phys. A 45 (2012) 435301
Many-body transverse interactions in the quantum annealing of the p-spin ferromagnet

Y. Seki and H. Nishimori, Phys. Rev. E 85 (2012) 051112
Quantum annealing with antiferromagnetic fluctuations

A.C.C. Coolen, H. Nishimori, N. Sourlas, and K.Y.M. Wong,  Phil. Mag. 92 (2012) 1
Many-body theory, magnetism, spin glasses and related phenomena

Z. Bertalan and H. Nishimori,  Phil. Mag. 92 (2012) 2-15
Many-body spin glasses in the microcanonical ensemble

K. Takahashi, H. Nishimori and V. Martin-Mayor,  J. Stat. Mech. (2011) P08024
Ensemble equivalence in spin systems with short-range interactions

M. Ohzeki, H. Katsuda and H. Nishimori,  J. Phys. Soc. Jpn. 80 (2011) 084002
Nonequilibrium work on spin glasses in longitudinal and transverse fields

Y. Matsuda, H. Nishimori, L. Zdeborova and F. Krzakala,  J. Phys. A 44 (2011) 185002
Random-field p-spin glass model on regular random graphs

H. Nishimori,  J. Phys. Soc. Jpn. 80 (2011) 023002
Microcanonical analysis of spin glasses using gauge symmetry

Z. Bertalan, T. Kuma, Y. Matsuda and H. Nishimori,  J. Stat. Mech. (2011) P01016
Ensemble inequivalence in the ferromagnetic p-spin model in random fields

R. Miyazaki, H. Nishimori and G. Ortiz,  Phys. Rev. E 83 (2011) 051103
Real-space renormalization group for the transverse-field Ising model in two and three dimensions

M. Ohzeki and H. Nishimori,  J. Comp. Theor. Nanoscience 8 (2011) 963
Quantum annealing: An introduction and new developments

Z. Bertalan, H. Nishimori and H. Orland,  Phys. Rev. E 82 (2010) 056704
Accelerated stochastic sampling of discrete statistical systems

M. Ohzeki and H. Nishimori,  J. Phys. Soc. Jpn. 79 (2010) 084003 [News and Comments]
Non-equilibrium relations for spin glasses with gauge symmetry

Y. Matsuda, M. Müller, H. Nishimori, T. Obuchi and A. Scardicchio,  J. Phys. A 43 (2010) 285002 [Highlights of 2010]
Distribution of partition function zeros of the ±J model on the Bethe lattice

M. Ohzeki and H. Nishimori,  J. Phys. A 42 (2009) 332001
Analytical evidence for the absence of spin glass transition in self-dual lattices

Y. Matsuda, H. Nishimori and H. G. Katzgraber,  New J. Phys. 11 (2009) 073012
Ground-state statistics from annealing algorithms: Quantum vs classical approaches

T. Obuchi, Y. Kabashima and H. Nishimori,  J. Phys. A 42 (2009) 075004
Complex Replica Zeros of ±J Ising Spin Glass at Zero Temperature

S. Morita and H. Nishimori,  J. Math. Phys. 49 (2008) 125210
Mathematical foundation of quantum annealing

P. Contucci, C. Giardinà and H. Nishimori, Prog. in Probability 62 (2009) 103-121
Spin glass identities and the Nishimori line

M. Ohzeki, H. Nishimori and A. N. Berker,  Phys. Rev. E 77 (2008) 061116
Multicritical points for the spin glass models on hierarchical lattices

C. Güven, A. N. Berker, M. Hinczewski and H. Nishimori,  Phys. Rev. E 77 (2008) 061110
Reentrant and forward phase diagrams of the anisotropic three-dimensional Ising spin glass

A.C.C. Coolen, H. Nishimori, N. Sourlas, and K.Y.M. Wong,  J. Phys. A 41 (2008) 320301
Viewing the world through spin glasses Preface to the special issue in honour of Prof Sherrington

Y. Matsuda, H. Nishimori and K. Hukushima, J. Phys. A 41 (2008) 324012
Distribution of Lee-Yang zeros and Griffiths singularities in the ±J model of spin glasses

H. Kitatani, H. Nishimori and A. Aoki,  J. Phys. Soc. Jpn. 76 (2007) 074711
Inequalities for the local energy of random Ising models

S. Morita and H. Nishimori,  J. Phys. Soc. Jpn. 76 (2007) 064002
Convergence of quantum annealing with real-time Schrödinger dynamics

S. Suzuki, H. Nishimori and M. Suzuki, Phys. Rev. E 75 (2007) 051112
Quantum annealing of the random-field Ising model by transverse ferromagnetic interactions

T. Obuchi, H. Nishimori and D. Sherrington, J. Phys. Soc. Jpn. 75 (2007) 054002
Phase diagram of the p-spin interacting spin glass with ferromagnetic bias and a transverse field in the infinite-p limit

H. Nishimori,  J. Stat. Phys. 126 (2007) 977-986
Duality in spin glasses

S. Morita and H. Nishimori,  J. Phys. A 39 (2006) 13903-13920
Convergence theorems for quantum annealing

M. Ohzeki and H. Nishimori,  J. Phys. Soc. Jpn. 75 (2006) 114003
Internal energy of the Potts model on the triangular lattice with two- and three-body interactions

H. Nishimori and M. Ohzeki,  J. Phys. Soc. Jpn. 75 (2006) 034004
Location of the multicritical point of the Ising spin glass on the triangular and hexagonal lattices

S. Morita, Y. Ozeki and H. Nishimori, J. Phys. Soc. Jpn. 75 (2006) 014001  [News and Comments]
Gauge theory for quantum spin glasses

P. Contucci, S. Morita and H. Nishimori,  J. Stat. Phys. 122(2006) 303-312
Surface terms on the Nishimori line of the gaussian Edwards-Anderson model

K. Takeda, T. Sasamoto and H. Nishimori,  J. Phys. A 38 (2005) 3751-3774
Exact location of the multicritical point for finite-dimensional spin glasses: A conjecture

H. Nishimori and P. Sollich, J. Phys. Soc. Jpn. 73 (2004) 2701-2707
Error counting in a quantum error-correcting code and the ground-state energy of a spin glass

S. Morita, H. Nishimori and P. Contucci,  J. Phys. A 37 (2004) L203-L209
Griffiths inequalities for the gaussian spin glass

T. Hamasaki and H. Nishimori,  J. Phys. Soc. Jpn. 73 (2004) 1490-1495
Exact ground-state energies of the random-field Ising chain and ladder

K. Takeda and H. Nishimori,  Nucl. Phys. B 686 (2004) 377-396
Self-dual random-plaquette gauge model and the quantum toric code

E. Marinari, H. Nishimori and F. Ricci-Tersenghi, J. Phys. A 36 (2003) Preface to a special issue on spin glasses
Statistical physics of disordered systems: from real materials to optimization and codes 

J.-M. Maillard, K. Nemoto and H. Nishimori,  J. Phys. A 36 (2003) 9799-9825
Symmetry, complexity and multicritical point of the two-dimensional spin glass

T. Hosaka, Y. Kabashima and H. Nishimori, Phys. Rev. E 66 (2002) 066126
Statistical Mechanics of lossy data compression using a non-monotonic perceptron

H. Nishimori,  J. Phys. A 35 (2002) 9541-9548
Derivatives and inequalities for order parameters in the Ising spin glass

H. Nishimori, C. Falvo and Y. Ozeki,  J. Phys. A 35 (2002) 8171-8178
Energy fluctuations at the multicritical point in two-dimensional spin glasses

H. Nishimori and K. Nemoto,  J. Phys. Soc. Jpn. 71 (2002) 1198-1199
Duality and multicritical point of two-dimensional spin glasses

Y. Saika and H. Nishimori, J. Phys. Soc. Jpn. 71 (2002) 1052-1058
Statistical mechanics of image restoration by the plane rotator model 

H. Nishimori,  Europhys. Lett. 57 (2002) 302-303
Comment on 'Statistical Mechanics of CDMA Multiuser Demodulation

T. Sasamoto, T. Toyoizumi and H. Nishimori,  J. Phys. A 34 (2001) 9555-9567
Statistical mechanics of an NP-complete problem : Subset sum

P. Gillin, H. Nishimori and D. Sherrington,  J. Phys. A 34 (2001) 2949-2964
Multispin Ising spin glass with ferromagnetic interactions

P. Sollich, H. Nishimori, A. C. C. Coolen and A. J. van der Sijs,  J. Phys. Soc. Jpn. 69 (2000) 3200-3213
Non-trivial phase behaviour in the infinite-range quantum Mattis model

K. Y. M. Wong and H. Nishimori, Phys. Rev. E 62 (2000)179-190
Error-correcting codes and image restoration with multiple stages of dynamics

H. Nishimori and K.Y.M. Wong,  Phys. Rev. E 60 (1999) 132-144
Statistical mechanics of image restoration and error-correcting codes

T. Kadowaki and H. Nishimori, Phys. Rev. E 58 (1998) 5355-5363
Quantum annealing in the transverse Ising model

H. Nishimori and J. Inoue,  J. Phys. A 31 (1998) 5661-5672
Convergence of simulated annealing using the generalized transition probability

J. Inoue, H. Nishimori and Y. Kabashima,  Phys. Rev. E 58 (1998) 849-860
Generalization ability of a perceptron with nonmonotonic transfer function

M. Yamana, H. Nishimori T. Kadowaki and D. Sherrington,  J. Phys. Soc. Jpn. 66 (1997) 1962
High-temperature dynamics of spin glasses

J. Inoue, H. Nishimori and Y. Kabashima, J. Phys. A 30 (1997) 3795
On-line learning of non-monotonic rules by simple perceptron

J. Inoue and H. Nishimori, Phys. Rev. E 55 (1997) 4544
On-line AdaTron learning of unlearnable rules

H. Nishimori and Y. Nonomura, J. Phys. Soc. Jpn. 65 (1996) 3780
Quantum effects in neural networks

T. Kadowaki, Y. Nonomura and H. Nishimori, J. Phys. Soc. Jpn. 65 (1996) 1609
Exact ground-state energy of the Ising spin glass on strips

H. Nishimori and M. Yamana, J. Phys. Soc. Jpn. 65 (1996) 3
Dynamical probability distribution function of the SK model at high temperatures

H. Nishimori, W. Whyte and D. Sherrington, Phys. Rev. E 51 (1995) 3628
Finite-dimensional neural networks storing structured patterns

T. Ozeki and H. Nishimori, J. Phys. A 27 (1994) 7061
Noise distributions in retrieval dynamics of the Hopfield model

K. Fukamachi and H. Nishimori, Phys. Rev. B 49 (1994) 651
Specific heat of the quantum Heisenberg antiferromagnet on the kagome lattice

H. Nishimori and I. Opris,  Neural Networks 6 (1993) 1061
Retrieval process of an associative memory with a general input-output function

H. Nishimori and H. Kawamura,  J. Phys. Soc. Jpn. 62 (1993) 3266
Gauge glass ordering in two dimensions

H. Nishimori, J. Phys. Soc. Jpn. 62 (1993) 2973
Optimum decoding temperature for error-correcting codes

Y. Ozeki and H. Nishimori,  J. Phys. A 26 (1993) 3399
Phase diagram of gauge glasses

H. Nishimori and T. Ozeki, J. Phys. A 26 (1993) 859
Retrieval dynamics of associative memory of the Hopfield type

T. Nakamura, N. Hatano and H. Nishimori, J. Phys. Soc. Jpn .61 (1992) 3494
Reweighting method for quantum Monte Carlo simulations with the negative-sign problem

Y. Saika and H. Nishimori,  J. Phys. Soc. Jpn. 61 (1992) 3086
Long-range order in the frustrated XXZ model

Y. Ozeki and H. Nishimori, Phys. Rev. B 46 (1992) 2879
Lower critical dimension of the XY spin glass

H. Nishimori,  J. Phys. Soc. Jpn. 61 (1992) 1011
Boundary between the ferromagnetic and spin glass phases

H. Nishimori and Y. Saika,  J. Phys. Soc. Jpn. 61 (1992) 391
Note on twisted order in the frustrated quantum Heisenberg model

H. Nishimori and Y. Saika, J. Phys. Soc. Jpn. 59 (1990) 4454
Modified spin wave theory of the two-dimensional frustrated Heisenberg model

T. Nakamura and H. Nishimori, J. Phys. A 23 (1990) 4627
Sequential retrieval of nonrandom patterns in a neural network

H. Nishimori, T. Nakamura and M. Shiino, Phys. Rev. A 41 (1990) 3346
Retrieval of spatio-temporal sequence in asynchronous neural network

H. Nishimori and Y. Ozeki, J. Phys. Soc. Jpn. 59 (1990) 295
Absence of ordering in short-range vector spin glass: Revisited

H. Nishimori and H. Nakanishi, J. Phys. Soc. Jpn. 58 (1989) 3433
More about the ground state of the quantum spin system of the triangular lattice

M. Shiino, H. Nishimori and M. Ono," J. Phys. Soc. Jpn. 58 (1989) 763
Nonlinear master equation approach of asymmetrical neural networks of the Hopfield-Hemmen type

H. Nishimori and Y. Ozeki, J. Phys. Soc. Jpn. 58 (1989) 1027
Ground-state long-range order in the two-dimensional XXZ model

Y. Ozeki, H. Nishimori and Y. Tomita, J. Phys. Soc. Jpn. 58 (1989) 82
Long-range order in antiferromagnetic quantum spin systems

H. Nishimori, K. Kubo, Y. Ozeki, Y. Tomita and T. Kishi, J. Stat. Phys. 55 (1989) 259
Long-range order in the XXZ model

Y. Ozeki and H. Nishimori, J. Phys. Soc. Jpn. 57 (1988) 4255
Absence of spin glass ordering in some random spin systems

H. Nishimori and Y. Tomita, J. Phys. Soc. Jpn. 57 (1988) 1566
Ground state of the three-dimensional quantum RKKY spin glass

Y. Ozeki and H. Nishimori, J. Phys. Soc. Jpn. 57 (1988) 1087
Distribution of Yang-Lee zeros of the ±J Ising model

H. Nishimori and H. Nakanishi, J. Phys. Soc. Jpn. 57 (1988) 626 58 2607 (Erratum)
Ground state of quantum spin systems on the triangular lattice

T. Oguchi, H. Kitatani and H. Nishimori, J. Phys. Soc. Jpn. 56 (1987) 3858
Perturbational method for the numerical evaluation of the ground-state energy of the Heisenberg model

H. Nishimori, K. Okamoto and M. Yokozawa, J. Phys. Soc. Jpn. 56 (1987) 4126
Competition between the Neel and the effective singlet states in spin-1/2 alternating Heisenberg-Ising antiferromagnet in one dimension

Y. Ozeki and H. Nishimori, J. Phys. Soc. Jpn. 56 (1987) 3265
Phase diagram of the ±J Ising model in two dimensions

H. Nishimori, J. Phys. A 20 (1987) 3551
Comment on Nemeth's argument on the phase diagram of spin glasses

Y. Ozeki and H. Nishimori, J. Phys. Soc. Jpn. 56 (1987) 1568 Addendum: 56 (1987) 2992
Phase diagram and critical exponents of the ±J Ising model in finite dimensions by Monte Carlo renormalization group

H. Nishimori and K. Okamoto, J. Phys. Soc. Jpn. 56 (1987) 1132
Numerical analysis of spin-1/2 alternating Heisenberg-XY antiferromagnet in one dimension

H. Nishimori and Y. Taguchi, Prog. Theor. Phys. Suppl. 87 (1986) 247
Numerical diagonalization of quantum spin Hamiltonians

H. Nishimori and S. Miyashita, J. Phys. Soc. Jpn. 55 (1986) 4448
Magnetization process of the spin-1/2 antiferromagnetic Ising-like Heisenberg model on the triangular lattice

H. Nishimori, J. Phys. Soc. Jpn. 55 (1986) 3305
Geometry-induced phase transition in the ±J Ising model

H. Nishimori, Prog. Theor. Phys. 76 (1986) 305
Exact results on the Ising spin glass in finite dimensions

K. Okamoto, H. Nishimori and Y. Taguchi, J. Phys. Soc. Jpn. 55 (1986) 1458
A numerical study of spin-1/2 alternating antiferromagnetic Heisenberg linear chains

H. Nishimori, Y.Taguchi and T. Oguchi, J. Phys. Soc. Jpn. 55 (1986) 656
Ground state of quantum spin glasses with infinite range interactions

T. Oguchi, H. Nishimori and Y. Taguchi, J. Phys. Soc. Jpn. 55 (1986) 323
Ground state of antiferromagnetic quantum spin systems of the triangular lattice

T. Oguchi, H. Nishimori and Y. Taguchi, J. Mag. Mag. Mat. 54-57 (1986) 1353
Ground state properties of the Heisenberg antiferromagnet-- Numerical study

T. Oguchi, H. Nishimori and Y. Taguchi, J. Phys. Soc. Jpn. 54 (1985) 4494
The spin wave theory in antiferromagnetic Heisenberg model on face centered cubic lattice

H. Nishimori, Prog. Theor. Phys. 73 (1985) 1577
One dimensional critical exponent eta as a function of the spin quantum number and anisotropy

H. Nishimori and S. J. Miyake, Prog. Theor. Phys. 73 (1985) 18
Ground-state energy of the Heisenberg model with XY-like anisotropy

H. Nishimori, Phys. Lett. 100A (1984) 239
One-dimensional XY model in Lorentzian random field

 H. Nishimori, Phys. Lett. 95A (1983) 303
Analyticity of the free energy of the two-dimensional random Ising model

H. Nishimori, Phys. Rev. B 28 (1983) 4011
Potts model in random fields

H. Nishimori and M. J. Stephen, Phys. Rev. B 27 (1983) 5644
Gauge-invariant frustrated Potts spin glass

H. Nishimori and R. B. Griffiths, J. Math. Phys. 24 (1983) 2637
Structure and motion of the Lee-Yang zeros

F. Tanaka and H. Nishimori, J. Phys. F 11 (1981) 1237
Distribution of metastable energy levels and the internal magnetic fields in spin glasses

H. Nishimori, Prog. Theor. Phys. 66 (1981) 1169
Internal energy, specific heat and correlation function of the bond-random Ising model

H. Nishimori, J. Stat. Phys. 26 (1981) 839
Spin quantum number in the ground state of the Mattis-Heisenberg model

H. Nishimori and M. Suzuki, Phys. Lett. 81A (1981) 84
Absence of spontaneous magnetization in spin systems with competing interactions

H. Nishimori, J. Phys. C 13 (1980) 4071
Exact results and critical properties of the Ising model with competing interactions

H. Nishimori, J. Phys. C 12 (1979) L905
Conjecture of the exact transition point of the random Ising ferromagnet

H. Nishimori, J. Phys. C 12 (1979) L641
Transition point of the random Ising model with bond dilution

H. Nishimori, Physica A 97(1979) 589
Transition point of the five-state discrete vector model

S. Miyashita, H. Nishimori, A. Kuroda and M. Suzuki, Prog. Theor. Phys. 60 (1978) 1669
Monte Carlo simulation and static and dynamic critical behavior of the plane rotator model