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Structure of the fermion propagator in QED3
Yuichi Hoshino
Minkowski structure of the Fermion propagator in QED is evaluated using dispersion like method Including massive fermion loop to the photon spectral function there is no in…
Solutions of Bethe-Salpter equations in QED3
Yuichi Hoshino
To understand the mechanism of the fermion pair and fermion-antifermion pair condensation,the solutions of Bethe-Salpeter equation in QED is examined.In the ladder appoximati…
Determination of the propagator in QED3 by spectral function
Yuichi Hoshino
To study the infrared behaviour of the propagator, exponentiation of the lowest order spectral function has been known.We show this method is helpful in super renormalizable theory…
Spectral function in QED3
Yuichi Hoshino
We discuss the structure of the dressed fermion propagator in unquenched QED3 based on spectral function of photon.In this approximation infrared divergences that appeared in quenc…
Mass singularity and confinement
Yuichi Hoshino
Infrared behaviour of the fermion propagator is examined by spectral representation.Assuming asymptotic states and using LSZ reduction formula we evaluate the the lowest order spec…
A solution to Ward-Takahashi-identity in QED3
Yuichi Hoshino
Using spectral function of photon we find the reliable results for the effects of vacuum polarization for the dressed fermion propagator in three-dimensional QED.