18 citations · 143 across the 36 of their papers we have counts for
22 papers · 1 filter
Numerical Hints for Dyon Condensation at via Wilson-'t Hooft Loops in Yang-Mills Theory
Hiromasa Watanabe, Issaku Kanamori, Okuto Morikawa +3
Yang-Mills theories at and are unitarily equivalent, but their periodicity has a nontrivial realization. Recent developments in generalized symmetries rigorously pr…
Direct numerical simulation of the 't Hooft partition function and (de)confining phases
Okuto Morikawa, Hiroshi Suzuki
The 't Hooft partition function is a discrete Fourier transform of Yang--Mills partition functions in background 2-form gauge fields an…
Novel Lattice Formulation of 2D Chiral Gauge Theory via Bosonization
Okuto Morikawa, Soma Onoda, Hiroshi Suzuki
Recently, lattice formulations of 2D Abelian chiral gauge theory have been constructed based on Abelian bosonization. It is remarkable about these 2D lattice formulations that they…
Numerical simulation of fractional topological charge in gauge theory coupled with 2-form gauge fields
Motokazu Abe, Okuto Morikawa
The pure gauge theory with a term has the -form global symmetry. When this symmetry is gauged, it is formally established that the topological charge…
Direct Monte Carlo Computation of the 't~Hooft Partition Function
Okuto Morikawa, Hiroshi Suzuki
The 't~Hooft partition function~ of an gauge theory with the 1-form symmetry is defined as the Fourier transform of the partiti…
Monte Carlo Simulation of the Yang--Mills Theory
Motokazu Abe, Okuto Morikawa, Hiroshi Suzuki
We carry out a hybrid Monte Carlo (HMC) simulation of the Yang--Mills theory in which the 2-form flat gauge field (the 't~Hooft flux) is explici…
Winding number on 3D lattice
Okuto Morikawa, Hiroshi Suzuki
We propose a simple numerical method which computes an approximate value of the winding number of a mapping from 3D torus~ to the unitary group~, when is approxima…
Lattice study of RG fixed point based on gradient flow in D sigma model
Okuto Morikawa, Mizuki Tanaka, Masakiyo Kitazawa +1
We present the lattice simulation of the renormalization group flow in the -dimensional linear sigma model. This model possesses a nontrivial infrared fixed point, called…
Yet another lattice formulation of 2D chiral gauge theory via bosonization
Okuto Morikawa, Soma Onoda, Hiroshi Suzuki
Recently, lattice formulations of Abelian chiral gauge theory in two dimensions have been devised on the basis of the Abelian bosonization. A salient feature of these 2D lattice fo…
Lattice realization of the axial noninvertible symmetry
Yamato Honda, Okuto Morikawa, Soma Onoda +1
In lattice gauge theory with compact variables, we construct the symmetry operator, i.e.\ the topological defect, for the axial noninvertible symmetry. This re…
Lattice construction of mixed 't Hooft anomaly with higher-form symmetry
Motokazu Abe, Okuto Morikawa, Soma Onoda +2
In this talk, we give the lattice regularized formulation of the mixed 't Hooft anomaly between the -form symmetry and the periodicity for d pure Yang-Mill…
Higher-group symmetry in lattice gauge theories with restricted topological sectors
Motokazu Abe, Naoto Kan, Okuto Morikawa +3
In this paper, we give a brief overview of generalized symmetries from the point of view of the lattice regularization as a fully regularized framework. At first, we illustrate the…
Magnetic operators in 2D compact scalar field theories on the lattice
Motokazu Abe, Okuto Morikawa, Soma Onoda +2
In lattice compact gauge theories, we must impose the admissibility condition to have well-defined topological sectors. The admissibility condition, however, usually forbids the pr…
Topology of lattice gauge theories coupled with -form gauge fields
Motokazu Abe, Okuto Morikawa, Soma Onoda +2
We extend the definition of Lüscher's lattice topological charge to the case of d gauge fields coupled with -form gauge fields. This result is achieved…
Numerical study of ADE-type Landau--Ginzburg models
Okuto Morikawa
At an extremely low-energy scale, it is believed that the two-dimensional Wess--Zumino model becomes an superconformal field theory (SCFT). We study…
Continuum limit in numerical simulations of the Landau--Ginzburg model
Okuto Morikawa
The Landau--Ginzburg description provides a strongly interacting Lagrangian realization of an superconformal field theory. It is conjectured that on…
Numerical study of the Landau--Ginzburg model with two superfields
Okuto Morikawa
In the low energy limit, the two-dimensional massless Wess--Zumino (WZ) model with a quasi-homogeneous superpotential is believed to become a superconformal field t…
Gradient flow representation of the four-dimensional super Yang--Mills supercurrent
Aya Kasai, Okuto Morikawa, Hiroshi Suzuki
In K.~Hieda, A.~Kasai, H.~Makino, and H.~Suzuki, Prog.\ Theor.\ Exp.\ Phys.\ \textbf{2017}, 063B03 (2017), a properly normalized supercurrent in the four-dimensional (4D) $\mathcal…
Numerical study of the Landau--Ginzburg model
Okuto Morikawa, Hiroshi Suzuki
It is believed that the two-dimensional massless Wess--Zumino model becomes the superconformal field theory (SCFT) in the infrared (IR) limit. We ex…
One-loop perturbative coupling of and through the chiral overlap operator
Hiroki Makino, Okuto Morikawa, Hiroshi Suzuki
Recently, Grabowska and Kaplan constructed a four-dimensional lattice formulation of chiral gauge theories on the basis of the chiral overlap operator. At least in the tree-level a…
One-loop perturbative coupling of and through the chiral overlap operator
Hiroki Makino, Okuto Morikawa, Hiroshi Suzuki
We study the one-loop effective action defined by the chiral overlap operator in the four-dimensional lattice formulation of chiral gauge theories by Grabowska and Kaplan. In the t…
Lorentz symmetry violation in the fermion number anomaly with the chiral overlap operator
Hiroki Makino, Okuto Morikawa
Recently, Grabowska and Kaplan proposed a four-dimensional lattice formulation of chiral gauge theories on the basis of a chiral overlap operator. We compute the classical continuu…