Mamiya Kawaguchi

Gravitational D-form factors of the nucleon and pion with mixing between two-quark and four-quark states

Mamiya Kawaguchi, Yao Ma, Yong-Liang Ma

We investigate the gravitational $D$ -form factors of the nucleon and pion within an extended linear sigma model (eLSM) that incorporates both two-quark and four-quark states, as we…

Meson gravitational D-form factors and symmetry breaking in low-energy QCD

Mamiya Kawaguchi, Kazuhiro Tanaka, Mitsuru Tanaka

We investigate meson gravitational D-form factors in the three-flavor linear sigma model and their connection to symmetry breaking in low-energy QCD. Within the scalar meson domina…

Charmonium-nucleon femtoscopy as a possible probe of the nucleon gravitational form factor

Ren Ejima, Daisuke Fujii, Mamiya Kawaguchi

We investigate the charmonium-nucleon interaction, focusing on its connection with the internal structure of the nucleon encoded in the gravitational form factors. To describe this…

Thermodynamics in symmetry-improved Cornwall-Jackiw-Tomboulis formalism: application to the low-energy effective theory of QCD

Yuepeng Guan, Mamiya Kawaguchi, Shinya Matsuzaki +1

We study the thermodynamics of the symmetry-improved Cornwall-Jackiw-Tomboulis (SICJT) formalism and apply it to a low-energy effective theory of QCD. In the symmetry-improved form…

Probing the chiral and $U (1)$ axial symmetry restoration via meson susceptibilities in holographic QCD

Hiwa A. Ahmed, Danning Li, Mamiya Kawaguchi +1

We investigate the restoration patterns of chiral and $U (1)$ axial symmetries at finite temperature using a soft-wall holographic QCD model. The study employs two distinct paramete…

Origin of hadron mass from gravitational D-form factor and neutron star measurements

Mamiya Kawaguchi, Masayasu Harada, Yong-Liang Ma

Clarifying the origin of hadron mass is one of the fundamental problems in particle physics, relevant from hadronic scales to astrophysical observations. At low energies, this issu…

Gravitational form factors of the nucleon from the chiral effective model

Daisuke Fujii, Mamiya Kawaguchi, Mitsuru Tanaka

We investigate the confining pressure and associated global property, i.e, D-term, of the nucleon using the skyrmion approach formulated within scale-invariant chiral perturbation…

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★ 8 cited

Gravitational form factors of the nucleon in the Skyrme model based on scale-invariant chiral perturbation theory

Mitsuru Tanaka, Daisuke Fujii, Mamiya Kawaguchi

We investigate the role of the QCD scale anomaly in the gravitational form factors of the nucleon -- particularly the $D (t)$ form factor -- as well as the associated stress distrib…

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…

Susceptibilities of rotating quark matter in Fourier-Bessel basis

Mamiya Kawaguchi, Kazuya Mameda

We analyze various two-point correlation functions of fermionic bilinears in a rotating finite-size cylinder at finite temperatures, with a focus on susceptibility functions. Due t…

hep-ph2025★ 1 cited

First-order CP phase transition in two-flavor QCD at $θ = π$ 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 $θ = π$ under a weak magnetic field background, where the electromagnetic scale anomaly gets significant. To explicitize, we work…

hep-ph2025★ 15 cited

Dominance of gluonic scale anomaly in confining pressure inside nucleon and D-term

Daisuke Fujii, Mamiya Kawaguchi, Mitsuru Tanaka

We explore the confining pressure inside the nucleon and the related gravitational form factor referred to as the D-term, using the skyrmion approach based on the scale-invariant c…

hep-ph2024★ 3 cited

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

Linlin Huang, Mamiya Kawaguchi, Yadikaer Maitiniyazi +3

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

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

Yuanyuan Wang, Mamiya Kawaguchi, Shinya Matsuzaki +1

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

Effect of quark anomalous magnetic moment on neutral dense quark matter under magnetic field

Mamiya Kawaguchi, Irfan Siddique, Mei Huang

We discuss the effect of the quark anomalous magnetic moment (AMM) on the neutral dense quark matter under magnetic fields based on the Nambu-Jona-Lasinio (NJL) model at finite bar…

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…

hep-ph2024★ 12 cited

Sound velocity peak induced by the chiral partner in dense two-color QCD

Mamiya Kawaguchi, Daiki Suenaga

Recently, the peak structure of the sound velocity was observed in the lattice simulation of two-color and two-flavor QCD at the finite quark chemical potential. The comparison wit…