Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-01-07
Phys.Rev. D58 (1998) 083505
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, 2 figures, LaTeX
Scientific paper
10.1103/PhysRevD.58.083505
We demonstrate the existence of global monopole and vortex configurations whose core exhibits a phase structure. We determine the critical values of parameters for which the transition from the symmetric to the non-symmetric phase occurs and discuss the novel dynamics implied by the non-symmetric cores for defect interactions. We model phase transitions in the core of global embedded topological defects by identifying the relevant parameters with the vacuum expectation value of a dynamical scalar field. Finally, we argue that superheavy defects that undergo a core phase transition in the very early universe provide a novel realization for topological inflation.
Axenides Minos
Perivolaropoulos Leandros
Trodden Mark
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