BIRTH OF CLOSED STRINGS AND DEATH OF OPEN STRINGS DURING TACHYON CONDENSATION
نویسندگان
چکیده
منابع مشابه
Birth of Closed Strings and Death of Open Strings during Tachyon Condensation
The tremendous progress achieved through the study of black holes and branes suggests that their time dependent generalizations called Spacelike branes (S-branes) may prove similarly useful. An example of an established approach to S-branes is to include a string boundary interaction and we first summarize evidence for the death of open string degrees of freedom for the homogeneous rolling tach...
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We show that under certain conditions, closed string tachyon condensation produces a topology changing transition from black strings to Kaluza-Klein “bubbles of nothing.” This can occur when the curvature at the horizon is much smaller than the string scale, so the black string is far from the correspondence point when it would make a transition to an excited fundamental string. This provides a...
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We study the late time behavior of the boundary state representing the rolling tachyon constructed by Sen. It is found that the coupling of the rolling tachyon to massive modes of the closed string grows exponentially as the system evolves. We argue that the description of rolling tachyon by a boundary state is valid during the finite time determined by string coupling, and that energy could be...
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Including world-sheet orientation-reversing automorphisms ĥσ ∈ H− in the orbifold program, we construct the operator algebras and twisted KZ systems of the general WZW orientation orbifold Ag(H−)/H−. We find that the orientation-orbifold sectors corresponding to each ĥσ ∈ H− are twisted open WZW strings, whose properties are quite distinct from conventional open-string orientifold sectors. As s...
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The collective behavior of the SL(2,R) covariant brane states of non-critical c = 1 string theory found in a previous work, in the Fermi liquid approximation. It is found that then such states mimick the coset WZW model, whereas only by further restrictions one recovers the double-scaling limit which was purported to be equivalent to closed string models. Another limit is proposed, inspired by ...
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ژورنال
عنوان ژورنال: Modern Physics Letters A
سال: 2005
ISSN: 0217-7323,1793-6632
DOI: 10.1142/s0217732305016300