activity
20192025
most citedPeaks of sound velocity in two color dense QCD: quark saturation effects and semishort range correlations

45 citations · 219 across the 21 of their papers we have counts for

collaborators

21 papers

hep-ph2025

Thermal quarks and Polyakov loops in two-color dense QCD

Yugo Kurebayashi, Toru Kojo, Daiki Suenaga

We study confinement and deconfinement in dense two color QCD by analyzing the dynamics of thermal quarks and gluons. The Polyakov loop is used as a probe of the relevant thermal e…

hep-ph2025★ 6 cited

Chiral effective model of cold and dense two-color QCD: The linear sigma model approach

Daiki Suenaga

This review is devoted to summarizing recent developments of the linear sigma model (LSM) in cold and dense two-color QCD (QCD), in which lattice simulations are straightforwar…

hep-ph2025★ 3 cited

Chiral symmetry restoration in QC_2D from effective model using the functional renormalization group

G. Fejos, D. Suenaga

The order of the chiral phase transition in two-color and two-flavor QCD is investigated using the functional renormalization group (FRG) technique in an effective model settin…

hep-ph2024

Isospin QCD as a laboratory for dense QCD

Toru Kojo, Daiki Suenaga, Ryuji Chiba

QCD with the isospin chemical potential, , is a useful laboratory to delineate the microphysics in dense QCD. To study the quark-hadron-continuity we use a quark-meson model t…

hep-ph2024★ 1 cited

Novel first-order phase transition and critical points in SU(3) Yang-Mills theory with spatial compactification

Daisuke Fujii, Akihiro Iwanaka, Masakiyo Kitazawa +1

We investigate the thermodynamics and phase structure of Yang-Mills theory on in Euclidean spacetime in an effective-model approach. The mo…

hep-ph2024★ 8 cited

Thermal effects on sound velocity peak and conformality in isospin QCD

Ryuji Chiba, Toru Kojo, Daiki Suenaga

We study thermal effects on equations of state (EOS) in isospin QCD, utilizing a quark-meson model coupled to a Polyakov loop. The quark-meson model is analyzed at one-loop that is…

hep-ph2024★ 1 cited

QCD Kondo effect for single heavy quark in chiral-symmetry broken phase

Shigehiro Yasui, Daiki Suenaga, Kei Suzuki

We consider the quantum chromodynamics (QCD) Kondo effect for a single heavy quark in quark matter composed of light quarks with chiral symmetry breaking. Introducing several spino…

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…

hep-ph2023★ 13 cited

Fate of the topological susceptibility in two-color dense QCD

Mamiya Kawaguchi, Daiki Suenaga

We explore the topological susceptibility at finite quark chemical potential and zero temperature in two-color QCD (QCD) with two flavors. Through the Ward-Takahashi identities…

hep-ph2022★ 4 cited

Dirac Kondo effect under magnetic catalysis

Koichi Hattori, Daiki Suenaga, Kei Suzuki +1

We develop a mean-field theory of a novel Kondo effect emerging in systems without a Fermi surface, which instead emerges under strong magnetic fields. We determine the magnitude o…

hep-ph2022★ 1 cited

Meson resonance gas in a relativistic quark model: scalar vs vector confinement and semishort range correlations

Toru Kojo, Daiki Suenaga

Smooth transitions from hadronic matter to hot and dense matter of quantum chromodynamics accompany continuous transformations in effective degrees of freedom. The microscopic desc…

hep-ph2021★ 45 cited

Peaks of sound velocity in two color dense QCD: quark saturation effects and semishort range correlations

Toru Kojo, Daiki Suenaga

We discuss stiffening of dense matter in two color QCD (QCD) where hadrons are mesons and diquark baryons. We study two models which describe a transition of matter from the Bo…

hep-ph2021★ 7 cited

Heavy-quark spin polarization induced by the Kondo effect in a magnetic field

Daiki Suenaga, Yasufumi Araki, Kei Suzuki +1

We propose a new mechanism of the heavy-quark spin polarization (HQSP) in quark matter induced by the Kondo effect under external magnetic field. The Kondo effect is caused by a co…

hep-ph2021★ 9 cited

Delineating chiral separation effect in two-color dense QCD

Daiki Suenaga, Toru Kojo

We study the chiral separation effect (CSE) in two-color and two-flavor QCD (QCD) to delineate quasiparticle pictures in dense matter from low to high temperatures. Both massle…

hep-ph2021★ 22 cited

Thermal quarks and gluon propagators in two-color dense QCD

Toru Kojo, Daiki Suenaga

We study Landau gauge gluon propagators in two-color QCD at finite quark chemical potential () and temperature (). We include medium polarization effects at one-loop by qua…

hep-ph2020★ 11 cited

Chiral separation effect catalyzed by heavy impurities

Daiki Suenaga, Yasufumi Araki, Kei Suzuki +1

We investigate the influence of Kondo effect, namely, the nonperturbative effect induced by heavy impurities, on the chiral separation effect (CSE) in quark matter. We employ a sim…

cond-mat.mes-hall2020★ 9 cited

Spin-orbital magnetic response of relativistic fermions with band hybridization

Yasufumi Araki, Daiki Suenaga, Kei Suzuki +1

Spins of relativistic fermions are related to their orbital degrees of freedom. In order to quantify the effect of hybridization between relativistic and nonrelativistic degrees of…

hep-ph2020★ 10 cited

Two relativistic Kondo effects: Classification with particle and antiparticle impurities

Yasufumi Araki, Daiki Suenaga, Kei Suzuki +1

We investigate two different types of relativistic Kondo effects, distinguished by heavy-impurity degrees of freedom, by focusing on the energy-momentum dispersion relations of the…

hep-ph2019★ 14 cited

Kondo effect driven by chirality imbalance

Daiki Suenaga, Kei Suzuki, Yasufumi Araki +1

We propose a novel mechanism of the Kondo effect driven by a chirality imbalance (or chiral chemical potential) of relativistic light fermions. This effect is realized by the mixin…

nucl-th2019★ 11 cited

QCD Kondo excitons

Daiki Suenaga, Kei Suzuki, Shigehiro Yasui

The quantum chromodynamics (QCD) Kondo effect is a quantum phenomenon in which heavy quarks (, ) exist as impurity particles in quark matter composed of light quarks (, $d…

hep-ph2019★ 32 cited

Gluon propagator in two-color dense QCD: Massive Yang-Mills approach at one-loop

Daiki Suenaga, Toru Kojo

We study the Landau gauge gluon propagators in dense two-color QCD at quark chemical potential, , in the range from 0.5 to 1.0 GeV not reachable by the perturbative method at…