Publications (115)
Dominance of a single topological sector in gauge theory on non-commutative geometry
Hajime Aoki, Jun Nishimura, Yoshiaki Susaki
Deconfinement phase transition in N=4 super Yang-Mills theory on RxS^3 from supersymmetric matrix quantum mechanics
Goro Ishiki, Sang-Woo Kim, Jun Nishimura +1
Numerical studies of the ABJM theory for arbitrary N at arbitrary coupling constant
Masanori Hanada, Masazumi Honda, Yoshinori Honma +3
Phase structure of matrix quantum mechanics at finite temperature
Naoyuki Kawahara, Jun Nishimura, Shingo Takeuchi
Testing a novel large-N reduction for N=4 super Yang-Mills theory on RxS^3
Goro Ishiki, Sang-Woo Kim, Jun Nishimura +1
Exactly Solvable Matrix Models for the Dynamical Generation of Space-Time in Superstring Theory
Jun Nishimura
Monte Carlo studies of the spontaneous rotational symmetry breaking in dimensionally reduced super Yang-Mills models
Konstantinos N. Anagnostopoulos, Takehiro Azuma, Jun Nishimura
Factorization Method for Simulating QCD at Finite Density
Jun Nishimura
Dynamical generation of gauge groups in the massive Yang-Mills-Chern-Simons matrix model
Takehiro Azuma, Subrata Bal, Jun Nishimura
Testing the criterion for correct convergence in the complex Langevin method
Keitaro Nagata, Jun Nishimura, Shinji Shimasaki
The index of the overlap Dirac operator on a discretized 2d non-commutative torus
Hajime Aoki, Jun Nishimura, Yoshiaki Susaki
On Existence of Nontrivial Fixed Points in Large $N$ Gauge Theory in More than Four Dimensions
Jun Nishimura
Local field theory from the expanding universe at late times in the IIB matrix model
Jun Nishimura, Asato Tsuchiya
Planar Dominance in Non-commutative Field Theories at Infinite External Momentum
Tadayuki Konagaya, Jun Nishimura
Large-scale computation of the exponentially expanding universe in a simplified Lorentzian type IIB matrix model
Yuta Ito, Jun Nishimura, Asato Tsuchiya
A practical solution to the sign problem in a matrix model for dynamical compactification
Konstantinos N. Anagnostopoulos, Takehiro Azuma, Jun Nishimura
Scaling Dimensions of Manifestly Generally Covariant Operators in Two-Dimensional Quantum Gravity
Jun Nishimura, Shinya Tamura, Asato Tsuchiya
The origin of space-time as seen from matrix model simulations
Jun Nishimura
Late time behaviors of the expanding universe in the IIB matrix model
Sang-Woo Kim, Jun Nishimura, Asato Tsuchiya
Expanding universe as a classical solution in the Lorentzian matrix model for nonperturbative superstring theory
Sang-Woo Kim, Jun Nishimura, Asato Tsuchiya
Two-loop Renormalization in Quantum Gravity near Two Dimensions
Toshiaki Aida, Yoshihisa Kitazawa, Jun Nishimura +1
Putting M theory on a computer
Jun Nishimura, Konstantinos N. Anagnostopoulos, Masanori Hanada +1
Nonperturbative studies of supersymmetric matrix quantum mechanics with 4 and 8 supercharges at finite temperature
Masanori Hanada, So Matsuura, Jun Nishimura +1
A renormalization group method for studying the early universe in the Lorentzian IIB matrix model
Yuta Ito, Sang-Woo Kim, Yuki Koizuka +2
Four-Dimensional N=1 Supersymmetric Yang-Mills Theory on the Lattice without Fine-Tuning
Jun Nishimura
Exploring the phase diagram of finite density QCD at low temperature by the complex Langevin method
Yuta Ito, Hideo Matsufuru, Jun Nishimura +3
$R^2$ Gravity in $(2+ε)$--Dimensional Quantum Gravity
Jun Nishimura, Shinya Tamura, Asato Tsuchiya
Exact fuzzy sphere thermodynamics in matrix quantum mechanics
Naoyuki Kawahara, Jun Nishimura, Shingo Takeuchi
Numerical tests of the gauge/gravity duality conjecture for D0-branes at finite temperature and finite N
Masanori Hanada, Yoshifumi Hyakutake, Goro Ishiki +1
A general approach to the sign problem - the factorization method with multiple observables
Konstantinos N. Anagnostopoulos, Takehiro Azuma, Jun Nishimura
Dynamical aspects of the plane-wave matrix model at finite temperature
Naoyuki Kawahara, Jun Nishimura, Kentaroh Yoshida
Dynamical compactification of extra dimensions in the Euclidean type IIB matrix model: A numerical study using the complex Langevin method
Konstantinos N. Anagnostopoulos, Takehiro Azuma, Yuta Ito +2
Perturbative dynamics of fuzzy spheres at large N
Takehiro Azuma, Keiichi Nagao, Jun Nishimura
Complex Langevin analysis of the spontaneous symmetry breaking in dimensionally reduced super Yang-Mills models
Konstantinos N. Anagnostopoulos, Takehiro Azuma, Yuta Ito +2
Monte Carlo studies of 3d N=6 SCFT via localization method
Masazumi Honda, Masanori Hanada, Yoshinori Honma +3
Monte Carlo approach to nonperturbative strings -- demonstration in noncritical string theory
Naoyuki Kawahara, Jun Nishimura, Atsushi Yamaguchi
Comparative studies of the deformation techniques for the singular-drift problem in the complex Langevin method
Yuta Ito, Jun Nishimura
Recent developments in the type IIB matrix model
Jun Nishimura
Impact of supersymmetry on the nonperturbative dynamics of fuzzy spheres
Konstantinos N. Anagnostopoulos, Takehiro Azuma, Keiichi Nagao +1
High temperature expansion in supersymmetric matrix quantum mechanics
Naoyuki Kawahara, Jun Nishimura, Shingo Takeuchi
Unification of the complex Langevin method and the Lefschetz-thimble method
Jun Nishimura, Shinji Shimasaki
Convergence of the Gaussian Expansion Method in Dimensionally Reduced Yang-Mills Integrals
Jun Nishimura, Toshiyuki Okubo, Fumihiko Sugino
Gaussian expansion analysis of a matrix model with the spontaneous breakdown of rotational symmetry
Jun Nishimura, Toshiyuki Okubo, Fumihiko Sugino
Lattice Formulation of Supersymmetric Yang-Mills Theories without Fine-Tuning
Nobuhito Maru, Jun Nishimura
Holographic description of quantum black hole on a computer
Masanori Hanada, Yoshifumi Hyakutake, Goro Ishiki +1
Simulation Results for U(1) Gauge Theory on Non-Commutative Spaces
Wolfgang Bietenholz, Antonio Bigarini, Jun Nishimura +3
Automatic ISP image quality tuning using non-linear optimization
Jun Nishimura, Timo Gerasimow, Sushma Rao +3
Monte Carlo studies on the expanding behavior of the early universe in the Lorentzian type IIB matrix model
Yuta Ito, Sang-Woo Kim, Jun Nishimura +1
Unitary IIB Matrix Model and the Dynamical Generation of the Space Time
Naofumi Kitsunezaki, Jun Nishimura
Spontaneous symmetry breaking induced by complex fermion determinant --- yet another success of the complex Langevin method
Yuta Ito, Jun Nishimura
Combining the complex Langevin method and the generalized Lefschetz-thimble method
Jun Nishimura, Shinji Shimasaki
Supersymmetry non-renormalization theorem from a computer and the AdS/CFT correspondence
Masazumi Honda, Goro Ishiki, Sang-Woo Kim +2
Gauge cooling for the singular-drift problem in the complex Langevin method --a test in Random Matrix Theory for finite density QCD
Keitaro Nagata, Jun Nishimura, Shinji Shimasaki
Finite-matrix formulation of gauge theories on a non-commutative torus with twisted boundary conditions
Hajime Aoki, Jun Nishimura, Yoshiaki Susaki
Translational Anomaly in Chiral Gauge Theories on a Torus and the Overlap Formalism
Taku Izubuchi, Jun Nishimura
Non-Commutativity of the Zero Chemical Potential Limit and the Thermodynamic Limit in Finite Density Systems
Jan Ambjorn, Konstantinos N. Anagnostopoulos, Jun Nishimura +1
On the relation between non-commutative field theories at theta = infinity and large N matrix field theories
Wolfgang Bietenholz, Frank Hofheinz, Jun Nishimura
On the condition for correct convergence in the complex Langevin method
Shinji Shimasaki, Keitaro Nagata, Jun Nishimura
Systematic study of the SO(10) symmetry breaking vacua in the matrix model for type IIB superstrings
Jun Nishimura, Toshiyuki Okubo, Fumihiko Sugino
Monte Carlo Calculation of Phase Shift in Four Dimensional O(4) $Ï^4$ Theory
Jun Nishimura
Higher derivative corrections to black hole thermodynamics from supersymmetric matrix quantum mechanics
Masanori Hanada, Yoshifumi Hyakutake, Jun Nishimura +1
Complex Langevin analysis of the space-time structure in the Lorentzian type IIB matrix model
Jun Nishimura, Asato Tsuchiya
Non-lattice simulation for supersymmetric gauge theories in one dimension
Masanori Hanada, Jun Nishimura, Shingo Takeuchi
Spontaneous breaking of the rotational symmetry in dimensionally reduced super Yang-Mills models
Tatsumi Aoyama, Jun Nishimura, Toshiyuki Okubo
The complex Langevin analysis of spontaneous symmetry breaking induced by complex fermion determinant
Yuta Ito, Jun Nishimura
Testing the Gaussian expansion method in exactly solvable matrix models
Jun Nishimura, Toshiyuki Okubo, Fumihiko Sugino
Testing the AdS/CFT correspondence by Monte Carlo calculation of BPS and non-BPS Wilson loops in 4d N=4 super-Yang-Mills theory
Masazumi Honda, Goro Ishiki, Jun Nishimura +1
Probability distribution of the index in gauge theory on 2d non-commutative geometry
Hajime Aoki, Jun Nishimura, Yoshiaki Susaki
Monte Carlo simulations of a supersymmetric matrix model of dynamical compactification in non perturbative string theory
Konstantinos N. Anagnostopoulos, Takehiro Azuma, Jun Nishimura
On the Definition of the Partition Function in Quantum Regge Calculus
Jun Nishimura
Direct test of the gauge-gravity correspondence for Matrix theory correlation functions
Masanori Hanada, Jun Nishimura, Yasuhiro Sekino +1
The argument for justification of the complex Langevin method and the condition for correct convergence
Keitaro Nagata, Jun Nishimura, Shinji Shimasaki
Multicanonical simulation of 3D dynamical triangulation model and a new phase structure
Tomohiro Hotta, Taku Izubuchi, Jun Nishimura
New insights into the problem with a singular drift term in the complex Langevin method
Jun Nishimura, Shinji Shimasaki
The instability of intersecting fuzzy spheres
Takehiro Azuma, Subrata Bal, Jun Nishimura
Absence of a fuzzy $S^4$ phase in the dimensionally reduced 5d Yang-Mills-Chern-Simons model
Takehiro Azuma, Subrata Bal, Keiichi Nagao +1
Dynamical Aspects of Large N Reduced Models
Tomohiro Hotta, Jun Nishimura, Asato Tsuchiya
Dynamical Generation of Four-Dimensional Space-Time in the IIB Matrix Model
Jun Nishimura, Fumihiko Sugino
The Factorization Method for Simulating Systems With a Complex Action
Jan Ambjorn, Konstantinos N. Anagnostopoulos, Jun Nishimura +1
Power-law expansion of the Universe from the bosonic Lorentzian type IIB matrix model
Yuta Ito, Jun Nishimura, Asato Tsuchiya
A non-perturbative study of 4d U(1) non-commutative gauge theory -- the fate of one-loop instability
Wolfgang Bietenholz, Jun Nishimura, Yoshiaki Susaki +1
Monte Carlo studies of supersymmetric matrix quantum mechanics with sixteen supercharges at finite temperature
Konstantinos N. Anagnostopoulos, Masanori Hanada, Jun Nishimura +1
Non-lattice simulation of supersymmetric gauge theories as a probe to quantum black holes and strings
Jun Nishimura
Monte Carlo studies of dynamical compactification of extra dimensions in a model of nonperturbative string theory
Konstantinos N. Anagnostopoulos, Takehiro Azuma, Jun Nishimura
Complex Langevin simulation of QCD at finite density and low temperature using the deformation technique
Keitro Nagata, Jun Nishimura, Shinji Shimasaki
Dynamical aspects of the fuzzy CP$^{2}$ in the large $N$ reduced model with a cubic term
Takehiro Azuma, Subrata Bal, Keiichi Nagao +1
Observations of High Energy Cosmic-Ray Electrons from 30 GeV to 3 TeV with Emulsion Chambers
Tadashi Kobayashi, Yoshiko Komori, Kenji Yoshida +7
Gauge cooling for the singular-drift problem in the complex Langevin method --- an application to finite density QCD
Keitaro Nagata, Hideo Matsufuru, Jun Nishimura +1
A Study of the Complex Action Problem in a Simple Model for Dynamical Compactification in Superstring Theory Using the Factorization Method
Konstantinos N. Anagnostopoulos, Takehiro Azuma, Jun Nishimura
Supersymetry on the Noncommutative Lattice
Jun Nishimura, Soo-Jong Rey, Fumihiko Sugino
Fractal Structure in Two-Dimensional Quantum Regge Calculus
Jun Nishimura, Masaki Oshikawa
Realizing chiral fermions in the type IIB matrix model at finite N
Jun Nishimura, Asato Tsuchiya
Numerical Studies of the Double Scaling Limit in Large N Reduced Model
Takayuki Nakajima, Jun Nishimura
Complex Langevin calculations in finite density QCD at large $μ/T$ with the deformation technique
Keitaro Nagata, Jun Nishimura, Shinji Shimasaki
Nonperturbative studies of fuzzy spheres in a matrix model with the Chern-Simons term
Takehiro Azuma, Subrata Bal, Keiichi Nagao +1
Justification of the complex Langevin method with the gauge cooling procedure
Keitaro Nagata, Jun Nishimura, Shinji Shimasaki
The Large N Reduction in Matrix Quantum Mechanics -- a Bridge between BFSS and IKKT --
Naoyuki Kawahara, Jun Nishimura
Perturbative versus nonperturbative dynamics of the fuzzy S^2*S^2
Takehiro Azuma, Subrata Bal, Keiichi Nagao +1
Expanding (3+1)-dimensional universe from a Lorentzian matrix model for superstring theory in (9+1)-dimensions
Sang-Woo Kim, Jun Nishimura, Asato Tsuchiya
Realizing three generations of the Standard Model fermions in the type IIB matrix model
Hajime Aoki, Jun Nishimura, Asato Tsuchiya