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40 papers · 1 filter
Phase structure of NJL model with weak renormalization group
Ken-Ichi Aoki, Shin-Ichiro Kumamoto, Masatoshi Yamada
We analyze the chiral phase structure of the Nambu--Jona-Lasinio model at finite temperature and density by using the functional renormalization group (FRG). The renormalization gr…
Non-minimal coupling in Higgs-Yukawa model with asymptotically safe gravity
Kin-ya Oda, Masatoshi Yamada
We study the fixed point structure of the Higgs-Yukawa model, with its scalar being non-minimally coupled to the asymptotically safe gravity, using the functional renormalization g…
Weak solution of the non-perturbative renormalization group equation to describe the dynamical chiral symmetry breaking
Ken-Ichi Aoki, Shin-Ichiro Kumamoto, Daisuke Sato
We analyze the dynamical chiral symmetry breaking (DSB) in the Nambu-Jona-Lasinio (NJL) model by using the non-perturbative renormalization group (NPRG) equation. The equation t…
Weak solution method of the non-perturbative renormalization group equation to describe dynamical chiral symmetry breaking and its application to beyond the ladder analysis in QCD
Ken-Ichi Aoki, Daisuke Sato
The method of non-perturbative renormalization group (NPRG) is applied to the analysis of dynamical chiral symmetry breaking (DCSB) in QCD. We show that the DCSB solution of the NP…
Uniqueness and Significance of Weak Solution of Non-perturbative Renormalization Group Equation to Analyze Dynamical Chiral Symmetry Breaking
Ken-Ichi Aoki, Shin-Ichiro Kumamoto, Daisuke Sato
We propose quite a new method of analyzing the dynamical chiral symmetry breaking in gauge theories. Starting with the non-perturbative renormalization group equation for the Wilso…
Analysis of Spontaneous Mass Generation by Iterative Method in the Nambu-Jona-Lasinio Model and Gauge Theories
Ken-Ichi Aoki, Shinnosuke Onai, Daisuke Sato
We propose a new iterative method to directly calculate the spontaneous mass generation due to the dynamical chiral symmetry breaking. We can conclude the physical mass definitely…