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7 papers · 2 filters
Dynamical Manifestation of the Goldstone Phenomenon at 1-loop
Sz. Borsanyi, A. Patkos, Zs. Szep
We have calculated the damping rate for classical on-shell Goldstone modes of the O(2) symmetric scalar fields propagating in a thermal medium of the broken symmetry…
Screening in Hot Non-Abelian Plasma
Peter Petreczky
This thesis is devoted to the study of the screening masses in hot non-Abelian theories. Section 1 contain a brief introduction to the topic. In section 2 a detailed overview of th…
Static Potential in the SU(2)-Higgs Model and Coupling Constant Definitions in Lattice and Continuum Models
F. Csikor, Z. Fodor, P. Hegedüs +1
We present a one-loop calculation of the static potential in the SU(2)-Higgs model. The connection to the coupling constant definition used in lattice simulations is clarified. The…
Effective theory for the soft fluctuation modes in the spontaneously broken phase of the N-component scalar field theory
A. Jakovac, A. Patkos, P. Petreczky +1
The effective dynamics of the low-frequency modes is derived for the O(N) symmetric scalar field theory in the broken symmetry phase. The effect of the high-frequency fluctuations…
Coupled gap equations for the screening masses in the SU(2) Higgs model
P. Petreczky, Zs. Szep, A. Patkos
The complete set of static screening masses is determined for the SU(2) Higgs model from one-loop coupled gap equations. Results from the version, containing scalar fields both in…
Screening Masses of Hot SU(2) Gauge Theory from the 3D Adjoint Higgs Model
F. Karsch, M. Oevers, P. Petreczky
We study the Landau gauge propagators of the lattice SU(2) 3d adjoint Higgs model, considered as an effective theory of high temperature 4d SU(2) gauge theory. From the long distan…