28 citations · 80 across the 18 of their papers we have counts for
18 papers
Phase diagram of 4D SU(3) Yang-Mills theory at via imaginary theta simulations
Akira Matsumoto, Mitsuaki Hirasawa, Jun Nishimura +1
It has been speculated that the CP symmetry of 4D SU(3) Yang-Mills theory at is spontaneously broken in the confined phase, and it is recovered precisely at the deconfining t…
Clifford Circuits Augmented Grassmann Matrix Product States
Atis Yosprakob, Wei-Lin Tu, Tsuyoshi Okubo +2
Recent progress in combining Clifford circuits with tensor-network (TN) methods has shown that local Clifford disentanglers can reduce bipartite entanglement across TN bonds prior…
Numerical evidence for a CP broken deconfined phase at in 4D SU(2) Yang-Mills theory through simulations at imaginary
Mitsuaki Hirasawa, Masazumi Honda, Akira Matsumoto +2
We investigate the possibility of the spontaneous breaking of CP symmetry in 4D SU(2) Yang-Mills at , which has recently attracted much attention in the context of the higher-…
Toward tensor renormalization group study of lattice QCD
Atis Yosprakob
The tensor renormalization group is a promising complementary approach to traditional Monte Carlo methods for lattice systems, as it is inherently free from the sign problem. We di…
Evidence of a CP broken deconfined phase in 4D SU(2) Yang-Mills theory at from imaginary simulations
Mitsuaki Hirasawa, Masazumi Honda, Akira Matsumoto +2
The spontaneous breaking of CP symmetry in 4D SU() pure Yang-Mills theory at has recently attracted much attention in the context of the higher-form symmetry and the 't Ho…
Tensor renormalization group study of the three-dimensional SU(2) and SU(3) gauge theories with the reduced tensor network formulation
Atis Yosprakob, Kouichi Okunishi
We perform a tensor renormalization group simulation of non-Abelian gauge theory in three dimensions using a formulation based on the `armillary sphere.' In this formulation, matri…
Preconditioned flow as a solution to the hierarchical growth problem in the generalized Lefschetz thimble method
Jun Nishimura, Katsuta Sakai, Atis Yosprakob
The generalized Lefschetz thimble method is a promising approach that attempts to solve the sign problem in Monte Carlo methods by deforming the integration contour using the flow…
Determination of the CP restoration temperature at in 4D SU(2) Yang-Mills theory through simulations at imaginary
Mitsuaki Hirasawa, Kohta Hatakeyama, Masazumi Honda +3
The 't Hooft anomaly matching condition provides constraints on the phase structure at in 4D SU() Yang-Mills theory. In particular, assuming that the theory is confined an…
Reduced tensor network formulation for non-Abelian gauge theories in arbitrary dimensions
Atis Yosprakob
Formulating non-Abelian gauge theories as a tensor network is known to be challenging due to the internal degrees of freedom that result in the degeneracy in the singular value spe…
A new technique to incorporate multiple fermion flavors in tensor renormalization group method for lattice gauge theories
Atis Yosprakob, Jun Nishimura, Kouichi Okunishi
We propose a new technique to incorporate multiple fermion flavors in the tensor renormalization group method for lattice gauge theories, where fermions are treated by the Grassman…
A new picture of quantum tunneling in the real-time path integral from Lefschetz thimble calculations
Jun Nishimura, Katsuta Sakai, Atis Yosprakob
It is well known that quantum tunneling can be described by instantons in the imaginary-time path integral formalism. However, its description in the real-time path integral formal…
Numerical studies on the finite-temperature CP restoration in 4D SU(N) gauge theory at
Akira Matsumoto, Kohta Hatakeyama, Mitsuaki Hirasawa +3
Recent studies on the 't Hooft anomaly matching condition have suggested a nontrivial phase structure in 4D SU() gauge theory at . In the large- limit, it has been found…
A new technique for solving the freezing problem in the complex Langevin simulation of 4D SU(2) gauge theory with a theta term
Akira Matsumoto, Kohta Hatakeyama, Mitsuaki Hirasawa +4
We apply the complex Langevin method (CLM) to overcome the sign problem in 4D SU(2) gauge theory with a theta term extending our previous work on the 2D U(1) case. The topology fre…
Backpropagating Hybrid Monte Carlo algorithm for fast Lefschetz thimble calculations
Genki Fujisawa, Jun Nishimura, Katsuta Sakai +1
The Picard-Lefschetz theory has been attracting much attention as a tool to evaluate a multi-variable integral with a complex weight, which appears in various important problems in…
Tensor renormalization group and the volume independence in 2D U() and SU() gauge theories
Mitsuaki Hirasawa, Akira Matsumoto, Jun Nishimura +1
The tensor renormalization group method is a promising approach to lattice field theories, which is free from the sign problem unlike standard Monte Carlo methods. One of the remai…
Complex Langevin analysis of 2D U(1) gauge theory on a torus with a term
Mitsuaki Hirasawa, Akira Matsumoto, Jun Nishimura +1
Monte Carlo simulation of gauge theories with a term is known to be extremely difficult due to the sign problem. Recently there has been major progress in solving this problem…
The emergence of expanding space-time and intersecting D-branes from classical solutions in the Lorentzian type IIB matrix model
Kohta Hatakeyama, Akira Matsumoto, Jun Nishimura +2
The type IIB matrix model is a promising candidate for a nonperturbative formulation of superstring theory. As such, it is expected to explain the origin of space--time and matter…
Time Evolution of Gaussian Wave Packets under Dirac Equation with Fluctuating Mass and Potential
Atis Yosprakob, Sujin Suwanna
Localization of relativistic particles have been of great research interests over many decades. We investigate the time evolution of the Gaussian wave packets governed by the one d…