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Introduction to Cosmic F- and D-Strings
Joseph Polchinski
In these lectures I discuss the possibility that superstrings of cosmic length might exist and be observable. I first review the original idea of cosmic strings arising as gauge th…
Cosmic Superstrings Revisited
Joseph Polchinski
It is possible that superstrings, as well as other one-dimensional branes, could have been produced in the early universe and then expanded to cosmic size today. I discuss the cond…
Finite Density States in Integrable Conformal Field Theories
Nelia Mann, Joseph Polchinski
We study states of large charge density in integrable conformal coset models. For the O(2) coset, we consider two different S-matrices, one corresponding to a Thirring mass perturb…
Collisions of Cosmic F- and D-strings
Mark G. Jackson, Nicholas T. Jones, Joseph Polchinski
Recent work suggests that fundamental and Dirichlet strings, and their (p,q) bound states, may be observed as cosmic strings. The evolution of cosmic string networks, and therefore…