45 research outputs found
Double field domain walls with explicit symmetry breaking
We study the dynamics of domain walls in a double-field model in which the
U(1) symmetry is broken both spontaneously and explicitly. The global U(1)
symmetry of the system is restored when the symmetry breaking parameter
is set to zero. Two pairs of degenerate kinks exist in the model
with are related to each other by a transformation. We first calculate
the single domain wall solutions and then investigate collision processes.
These include simple scattering, pair annihilation, pair capture, and other
interesting processes. The possibility of the domain wall being punctured by a
string is also investigated.Comment: 15 pages, 7 figure
Fluid Dynamical Description of Sine-Gordon Solitons
We present a fluid dynamical description of a relativistic scalar field in
dimensions and apply the general results to the special case of
Sine-Gordon solitons. The results which include the local quantities pressure,
density and fluid velocity are compared to the standard quantities attributed
to the solitons