12 citations · 28 across the 6 of their papers we have counts for
6 papers
Effect of Dynamical SU(2) Gluons to the Gap Equation of Nambu--Jona-Lasinio Model in Constant Background Magnetic Field
Masaru Ishi-i, Taro Kashiwa, Naoki Tanimura
In order to estimate the effect of dynamical gluons to chiral condensate, the gap equation of SU(2) gauged Nambu--Jona-Lasinio model, under a constant background magnetic field, is…
Functional Integral in terms of the Field Strength: An Approach to Chiral Symmetry Breaking
N. Tanimura
The chiral symmetry breaking in the 4-dimensional QED with the chirally invariant four-fermion interaction is discussed by using a novel path integral expression in terms of the fi…
Nambu-Jona-Lasinio Model Coupled to Constant Electromagnetic Fields in D-Dimension
M. Ishi-i, T. Kashiwa, N. Tanimura
Critical dynamics of the Nambu-Jona-Lasinio model, coupled to a constant electromagnetic field in D=2, 3, and 4, is reconsidered from a viewpoint of infrared behavior and vacuum in…
Critical Couplings in the Nambu--Jona-Lasinio Model with the Constant Electromagnetic Fields
M. Ishi-i, T. Kashiwa, N. Tanimura
A detailed analysis is performed for the Nambu--Jona-Lasinio model coupled with constant (external) magnetic and/or electric fields in two, three, and four dimensions. The infrared…
Gauge Independence in terms of the Functional Integral
T. Kashiwa, N. Tanimura
Among various approaches in proving gauge independence, models containing an explicit gauge dependence are convenient. The well-known example is the gauge parameter in the covarian…
Physical States and Gauge Independence of the Energy-Momentum Tensor in Quantum Electrodynamics
Taro Kashiwa, Naoki Tanimura
Discussions are made on the relationship between physical states and gauge independence in QED. As the first candidate take the LSZ-asymptotic states in a covariant canonical forma…