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279 papers · 1 filter
Caustic formation in DBI models: Wave propagation on planar domain walls
E. Babichev, B. Gafarov, S. Ramazanov +1
We investigate propagation of generic waves on thin planar domain walls effectively described by the scalar Dirac-Born-Infeld model (DBI). We pay a particular attention to the poss…
Wilson loops as probes of phase transitions and conductivity phenomena
Tetiana Obikhod, Ievgenii Petrenko
Wilson loops are among the most fundamental gauge-invariant observables in quantum field theory, encoding the global structure of gauge fields through their holonomy along closed c…
Towards spinning gauged non-topological solitons in the model with Chern-Simons term
Ivan Ivashkin, Eduard Kim, Emin Nugaev +1
We obtain localized field configurations with finite energy in a ()-dimensional model with Maxwell and Chern-Simons gauge terms coupled to a massive complex scalar field. Thes…
On the link between finite QFT and standard RG approaches
Y. A. Ageeva, A. L. Kataev
A finite formulation of quantum field theory based on a system of differential equations reminiscent of the Callan-Symanzik equations is discussed. This system of equations was pre…
Properties of Non-topological Solitons in Two-dimensional Model With Resurrected Conformal Symmetry
Yulia Galushkina, Eduard Kim, Emin Nugaev +1
We study properties of non-topological solitons in two-dimensional conformal field theory. The spectrum of linear perturbations on these solutions is found to be trivial, containin…
Luminal Scalar-Tensor theories for a not so dark Dark Energy
S. Mironov, A. Shtennikova, M. Valencia-Villegas
In general the speed of Gravitational Waves (GWs) in Scalar-Tensor modifications of Einstein's gravity is different from the speed of Light. Nevertheless, it has been measured that…