13 citations · 25 across the 12 of their papers we have counts for
12 papers
Properties of solutions by the Schwinger-Dyson equation at finite temperature and density : A four-fermion interaction model
Hidekazu Tanaka, Shuji Sasagawa
In this paper, we examine the properties of the solutions obtained by the Schwinger-Dyson equation (SDE). As a simple example, we consider a two-dimensional model including four-fe…
Schwinger-Dyson equation on the complex plane -- A four-fermion interaction model at finite temperature --
Hidekazu Tanaka, Shuji Sasagawa
We extend the Schwinger-Dyson equation (SDE) on the complex plane, which was treated in our previous research, to finite temperature. As a simple example, we solve the SDE for a mo…
Schwinger-Dyson equation in the complex plane -- Two simple models --
Hidekazu Tanaka, Shuji Sasagawa
Effective mass and energy are investigated using the Schwinger-Dyson equation (SDE) in the complex plane. As simple examples, we solve the SDE for the (1+1)-dimensional model and t…
Quarks mass function at finite density in real-time formalism
Hidekazu Tanaka, Shuji Sasagawa
Chiral symmetry restoration of quarks is investigated at finite density in quantum chromodynamics. The effective quark mass is calculated with the Schwinger-Dyson equation in the r…
Quark mass function at finite temperature in real-time formalism
Hidekazu Tanaka, Shuji Sasagawa
We investigate properties of quark mass functions at finite temperature in quantum chromodynamics calculated by Schwinger-Dyson equation in real-time formalism without the instanta…
Quark mass function in Minkowski space
Hidekazu Tanaka, Shuji Sasagawa
We investigate the properties of quark mass functions in quantum chromodynamics calculated by the Schwinger-Dyson equation in the strong coupling region, in which the loop integrat…
Schwinger-Dyson Equation in Minkowski Space beyond the IE Approximation
Shuji Sasagawa, Hidekazu Tanaka
We investigate the properties of fermion mass functions in quantum electrodynamics calculated by the Schwinger-Dyson equation in the strong coupling region, in which the loop integ…
The separation of the chiral and deconfinement phase transitions in the curved space-time
S. Sasagawa, H. Tanaka
We calculated the chiral condensate and the dressed Polyakov loop in the space-time and . The chiral condensate is the order parameter for the chiral…
The effect of an imaginary part of the Schwinger-Dyson equation at finite temperature and density
S. Sasagawa, H. Tanaka
We examined the effect of an imaginary part of the ladder approximation Schwinger-Dyson equation. We show the imaginary part enhances the effect of the first order transition, and…
Spectral Functions at finite temperature and chemical potential
S. Sasagawa, H. Tanaka
There are two formulations at non-zero chemical potential; one is the formulation that a Lagrangian includes a chemical potential, the other is the formulation that a Lagrangian do…
Numerical Calculation of Schwinger-Dyson Equation with Momentum-Dependent Gauge Parameter at Finite Temperature
Shuji Sasagawa, Hidekazu Tanaka
Chiral symmetry at finite temperature is studied using the Schwinger-Dyson equation. We calculate numerically the critical temperature using the Schwinger-Dyson equation with the g…
Gauge Parameter Dependence of the 1-loop Fermion Self Energy at Finite Temperature
S. Sasagawa, H. Tanaka
We show a gauge parameter dependence of the 1-loop fermion self energy at finite temperature before the analytic continuation. We also show a gauge parameter dependence of only the…