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hep-ph2025
In-in formalism with resummmation in a constant electric field: propagators including nontrivial boundary wavefunctions
Kenji Fukushima, Shuhei Minato
We present the derivation of an alternative representation of the real-time in-in formalism under a spatially homogeneous and time independent electric field. Because the system ex…
hep-ph2025
QCD Phase Diagram and Astrophysical Implications
Kenji Fukushima
I make a brief review about the QCD phases and the equation of state inferred from the neutron star data. Along the temperature axis at low baryon density, the QCD phase transition…
hep-ph2003
Toward understanding the lattice QCD results from the strong coupling analysis
Kenji Fukushima
This is a review of strong coupling approaches to grasp the nature of the phase transition in finite temperature and density QCD. We commence with classics of the center symmetry a…