activity
20142025
most citedDetection of phase transition via convolutional neural network

166 citations · 857 across the 45 of their papers we have counts for

collaborators

47 papers

hep-ph2025

Columbia plot based on symmetry-improved CJT formalism in linear sigma model

Yuepeng Guan, Mamiya Kawaguchi, Shinya Matsuzaki +1

We study the Columbia plot for the chiral phase transition in the framework of a three-flavor linear sigma model based on the Cornwall-Jackiw-Tomboulis (CJT) formalism. The convent…

hep-ph2025

Axionlike particle-assisted supercooling chiral phase transition in QCD: Identifying Coleman-Weinberg type-chiral phase transition in QCD-like scenarios

Zheng-liang Jiang, Yuepeng Guan, Mamiya Kawaguchi +3

We propose a new scenario to realize the Coleman-Weinberg (CW) type chiral phase transition in the QCD thermal history. This scenario predicts a heavy axionlike particle (ALP) with…

hep-ph2025★ 1 cited

First-order CP phase transition in two-flavor QCD at under electromagnetic scale anomaly via a Nambu-Jona-Lasinio description

Yuanyuan Wang, Shinya Matsuzaki, Mamiya Kawaguchi +1

We discuss the thermal CP phase transition in QCD at under a weak magnetic field background, where the electromagnetic scale anomaly gets significant. To explicitize, we work…

hep-ph2024★ 3 cited

Functional renormalization group study of a four-fermion model with violation

Linlin Huang, Mamiya Kawaguchi, Yadikaer Maitiniyazi +3

We perform a functional renormalization group analysis of a four-fermion model with and violation to explore the nonperturbative infrared dynamics of quantum chromodynamic…

hep-ph2024

Implications of electromagnetic scale anomaly to QCD chiral phase transition in smaller quark mass regime: does not drop with eB

Yuanyuan Wang, Mamiya Kawaguchi, Shinya Matsuzaki +1

The decrease of the chiral pseudocritical temperature with an applied strong magnetic field has been extensively investigated by various QCD low-energy effective…

hep-ph2024

Impact of local CP-odd domain in hot QCD on axionic domain-wall interpretation for NANOGrav 15-year Data

Linlin Huang, Yuanyuan Wang, He-Xu Zhang +4

We argue that the axionic domain-wall with a QCD bias may be incompatible with the NANOGrav 15-year data on a stochastic gravitational wave (GW) background, when the domain wall ne…

cond-mat.str-el2023★ 4 cited

Self-learning Monte Carlo with equivariant Transformer

Yuki Nagai, Akio Tomiya

Machine learning and deep learning have revolutionized computational physics, particularly the simulation of complex systems. Equivariance is essential for simulating physical syst…

hep-lat2022★ 1 cited

Use of Schwinger-Dyson equation in constructing an approximate trivializing map

Peter Boyle, Taku Izubuchi, Luchang Jin +4

We construct an approximate trivializing map by using a Schwinger-Dyson equation. The advantage of this method is that: (1) The basis for the flow kernel can be chosen arbitrarily…

hep-lat2022★ 2 cited

GomalizingFlow.jl: A Julia package for Flow-based sampling algorithm for lattice field theory

Akio Tomiya, Satoshi Terasaki

GomalizingFlow.jl: is a package to generate configurations for quantum field theory on the lattice using the flow based sampling algorithm in Julia programming language. This softw…

hep-ph2022★ 3 cited

Fate of the first-order chiral phase transition in QCD: Implications for dark QCD studied via a Nambu-Jona-Lasinio model

Yuanyuan Wang, Mamiya Kawaguchi, Shinya Matsuzaki +1

The first-order nature of the chiral phase transition in QCD-like theories can play crucial roles to address a dark side of the Universe, where the created out-of equilibrium is es…

hep-lat2022★ 5 cited

Schwinger model at finite temperature and density with beta VQE

Akio Tomiya

We investigate a quantum gauge theory at finite temperature and density using a variational algorithm for near-term quantum devices. We adapt -VQE to evaluate thermal and quantu…

hep-ph2022★ 5 cited

New aspect of chiral and axial breaking in QCD

Chuan-Xin Cui, Mamiya Kawaguchi, Jin-Yang Li +2

Violation of the axial symmetry in QCD is stricter than the chiral breaking, simply because of the presence of the quantum axial anomaly. If the QCD gauge coupling i…

hep-lat2022

Extensively parallelizable chiral fermion

Yuki Nagai, Akio Tomiya

Chiral symmetry is a key to investigating quantum physics, from condensed matter to particle physics. We propose a novel way of realizing a chiral fermion, known as the overlap-Dir…

hep-lat2021

Correlated Dirac Eigenvalues and Axial Anomaly in Chiral Symmetric QCD

Heng-Tong Ding, Sheng-Tai Li, Swagato Mukherjee +3

We investigate the Dirac eigenvalue spectrum () to study the microscopic origin of axial anomaly in high temperature phase of QCD. We propose novel relations between the…

cs.LG2021

HMC with Normalizing Flows

Sam Foreman, Taku Izubuchi, Luchang Jin +3

We propose using Normalizing Flows as a trainable kernel within the molecular dynamics update of Hamiltonian Monte Carlo (HMC). By learning (invertible) transformations that simpli…

hep-ph2021★ 1 cited

QCD knows new quarks

Chuan-Xin Cui, Hiroyuki Ishida, Mamiya Kawaguchi +3

We find that a big gap between indicators for the breaking strengths of the global chiral SU(2) and U(1) axial symmetries in QCD of the Standard Model (SM) can be interpreted as a…

hep-ph2021★ 10 cited

New interpretation of chiral phase transition: Violation of trilemma in QCD

Chuan-Xin Cui, Jin-Yang Li, Shinya Matsuzaki +2

We find that the chiral phase transition (chiral crossover) in QCD at physical point is triggered by big imbalance among three fundamental quantities essential for the QCD vacuum s…

hep-lat2021★ 6 cited

Gauge covariant neural network for quarks and gluons

Yuki Nagai, Akio Tomiya

We propose gauge-covariant neural networks along with a specialized training algorithm for lattice QCD, designed to handle realistic quarks and gluons in four-dimensional space-tim…

hep-ph2021★ 7 cited

Detecting scale anomaly in chiral phase transition of QCD: new critical endpoint pinned down

Mamiya Kawaguchi, Shinya Matsuzaki, Akio Tomiya

Violation of scale symmetry, scale anomaly, being a radical concept in quantum field theory, is of importance to comprehend the vacuum structure of QCD, and should potentially cont…

hep-lat2020★ 7 cited

QCD phase structure in strong magnetic fields

H. -T. Ding, S. -T. Li, Q. Shi +3

In this proceedings we discuss the natural connection between the reduction of neutral pion mass in the vacuum, and the magnetic catalysis as well as the reduction of transition te…

hep-lat2020★ 4 cited

Self-learning Monte-Carlo for non-abelian gauge theory with dynamical fermions

Yuki Nagai, Akinori Tanaka, Akio Tomiya

In this paper, we develop the self-learning Monte-Carlo (SLMC) algorithm for non-abelian gauge theory with dynamical fermions in four dimensions to resolve the autocorrelation prob…

hep-lat2020★ 81 cited

Correlated Dirac Eigenvalues and Axial Anomaly in Chiral Symmetric QCD

H. -T. Ding, S. -T. Li, Swagato Mukherjee +3

We introduce novel relations between the derivatives [] of the Dirac eigenvalue spectrum [] with respect to the light sea qua…

hep-lat2020★ 73 cited

Chiral properties of (2+1)-flavor QCD in strong magnetic fields at zero temperature

H. -T. Ding, S. -T. Li, A. Tomiya +2

We present lattice QCD results for masses and magnetic polarizabilities of light and strange pseudoscalar mesons, chiral condensates, decay constants of neutral pion, and neutral k…

hep-lat2020★ 26 cited

Chiral phase structure of three flavor QCD in a background magnetic field

Heng-Tong Ding, Christian Schmidt, Akio Tomiya +1

We investigate the chiral phase structure of three flavor QCD in a background magnetic field using the standard staggered action and the Wilson plaquette gauge action. We pe…