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hep-th2001
Localized Tachyons and RG Flows
Jeffrey A. Harvey, David Kutasov, Emil J. Martinec +1
We study condensation of closed string tachyons living on defects, such as orbifold fixed planes and Neveu-Schwarz fivebranes. We argue that the high energy density of localized st…
hep-th2001
Noncommutative Solitons on Orbifolds
Emil J. Martinec, Gregory Moore
In the noncommutative field theory of open strings in a B-field, D-branes arise as solitons described as projection operators or partial isometries in a algebra. We discuss h…