86 citations
- National Technical University of AthensGR7 papers
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5 papers · 1 filter
Gauss' Law and Non-Linear Plane Waves for Yang-Mills Theory
A. Tsapalis, E. P. Politis, X. N. Maintas +1
We investigate Non-Linear Plane-Wave solutions of the classical Minkowskian Yang-Mills (YM) equations of motion. By imposing a suitable ansatz which solves Gauss' law for the $SU(3…
Oscillons and oscillating kinks in the Abelian-Higgs model
V. Achilleos, F. K. Diakonos, D. J. Frantzeskakis +5
We study the classical dynamics of the Abelian Higgs model employing an asymptotic multiscale expansion method, which uses the ratio of the Higgs to the gauge field amplitudes as a…
Maxwell Construction for Scalar Field Theories with Spontaneous Symmetry Breaking
J. Alexandre, A. Tsapalis
Using a non-perturbative approximation for the partition function of a complex scalar model, which features spontaneous symmetry breaking, we explicitly derive the flattening of th…
Liouville-Lifshitz theory in 3+1 dimensions
J. Alexandre, K. Farakos, A. Tsapalis
We consider a four-dimensional theory in the z=3 Lifshitz context, with an exponential (Liouville) potential. We determine the exact renormalized potential of the theory and derive…
Schwinger-Dyson approach for a Lifshitz-type Yukawa model
J. Alexandre, K. Farakos, P. Pasipoularides +1
We consider a 3+1 dimensional field theory at a Lifshitz point for a dynamical critical exponent z=3, with a scalar and a fermion field coupled via a Yukawa interaction. Using the…