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hep-ph1992★ 137 cited
Decay of Metastable Topological Defects
John Preskill, Alexander Vilenkin
We systematically analyze the decay of metastable topological defects that arise from the spontaneous breakdown of gauge or global symmetries. Quantum-mechanical tunneling rates ar…
hep-ph1992★ 61 cited
Semilocal Defects
John Preskill
I analyze the interplay of gauge and global symmetries in the theory of topological defects. In a two-dimensional model in which both gauge symmetries and {\it exact} global symmet…