Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2003-12-05
JHEP 0406:013,2004
Physics
High Energy Physics
High Energy Physics - Theory
27 pages, 5 figures; v. 5: JHEP style, added comments in section 2.3
Scientific paper
10.1088/1126-6708/2004/06/013
Macroscopic fundamental and Dirichlet strings have several potential instabilities: breakage, tachyon decays, and confinement by axion domain walls. We investigate the conditions under which metastable strings can exist, and we find that such strings are present in many models. There are various possibilities, the most notable being a network of (p,q) strings. Cosmic strings give a potentially large window into string physics.
Copeland Edmund J.
Myers Robert C.
Polchinski Joseph
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