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- Nara Women's UniversityJP3 papers
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8 papers · 1 filter
Structure of a thermal quasifermion in the QCD/QED Medium
Hisao Nakkagawa, Hiroshi Yokota, Koji Yoshida
In this paper we carried out a nonperturbative analysis of a thermal quasifermion in the chiral symmetric thermal QCD/QED medium by studying its self-energy function through the Dy…
Vanishing Thermal Mass in the Strongly Coupled QCD/QED medium
Hisao Nakkagawa, Hiroshi Yokota, Koji Yoshida
In this paper we perform a nonperturbative analysis of a thermal quasifermion in thermal QCD/QED by studying its self-energy function through the Dyson-Schwinger equation with the…
Phase Structure of Thermal QED Based on the Hard Thermal Loop Improved Ladder Dyson-Schwinger Equation --a "Gauge Invariant" Solution--
Hisao Nakkagawa, Hiroshi Yokota, Koji Yoshida
Based on the hard-thermal-loop resummed improved ladder Dyson-Schwinger quation for the fermion mass function, we study how we can get the gauge invariant solution in the sense it…
Chiral Phase Transitions in QCD at Finite Temperature: Hard-Thermal-Loop Resummed Dyson-Schwinger Equation in the Real Time Formalism
Hisao Nakkagawa, Hiroshi Yokota, Koji Yoshida +1
Chiral phase transition in thermal QCD is studied by using the Dyson-Schwinger (DS) equation in the real time hard thermal loop approximation. Our results on the critical temperatu…
N-Point Vertex Functions, Ward-Takahashi Identities and Dyson-Schwinger Equations in Thermal QCD/QED in the Real Time Hard-Thermal-Loop Approximation
Yuko Fueki, Hisao Nakkagawa, Hiroshi Yokota +1
In this paper we calculated the n-point hard-thermal-loop (HTL) vertex functions in QCD/QED for n= 2, 3 and 4 in the physical representation in the real time formalism (RTF). The r…
Massive Model at Finite Temperature -- Resummayion Procedure la RG Improvement --
Hisao Nakkagawa, Hiroshi Yokota
In this paper the phase structure of the massive model at finite temperature () is investigated by applying a resummation method inspired by the renormalization-gr…