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4 papers · 2 filters
Spectral Methods for Coupled Channels with a Mass Gap
H. Weigel, M. Quandt, N. Graham
We develop a method to compute the vacuum polarization energy for coupled scalar fields with different masses scattering off a background potential in one space dimension. As an ex…
Emerging Translational Variance: Vacuum Polarization Energy of the kink
H. Weigel
We propose an efficient method to compute the vacuum polarization energy of static field configurations that do not allow a decomposition into symmetric and anti-symmetric channels…
Quantum stabilization of a hedgehog type of cosmic string
M. Quandt, N. Graham, H. Weigel
Within a slightly simplified version of the electroweak standard model we investigate the stabilization of cosmic strings by fermion quantum fluctuations. Previous studies of quant…
Vacuum Polarization Energy for General Backgrounds in One Space Dimension
H. Weigel
For field theories in one time and one space dimensions we propose an efficient method to compute the vacuum polarization energy of static field configurations that do not allow a…