Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2007-05-14
ActaPhys.Polon.B38:2537-2552,2007
Physics
High Energy Physics
High Energy Physics - Theory
17 pages, 4 figures
Scientific paper
Three new models with V-shaped field potentials $U$ are considered: a complex scalar field $X$ in 1+1 dimensions with $U(X)= |X|$, a real scalar field $\Phi$ in 2+1 dimensions with $U(\Phi) = |\Phi|$, and a real scalar field $\phi$ in 1+1 dimensions with $U{\phi) = \phi \Theta(\phi)$ where $\Theta$ is the step function. Several explicit, self-similar solutions are found. They describe interesting dynamical processes, for example, `freezing' a string in a static configuration.
Arodz Henryk
Klimas Pawel
Tyranowski T.
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