Open-closed string correspondence: D-brane decay in curved space | Zendy

Marcus Baumgartl | Zendy; Ivo Sachs | Zendy

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Open-closed string correspondence: D-brane decay in curved space

Author(s) -

Marcus Baumgartl,

Ivo Sachs

Publication year - 2007

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2007/03/024

Subject(s) - physics , tachyon condensation , tachyon , string field theory , string (physics) , brane , boundary (topology) , type i string theory , non critical string theory , d brane , brane cosmology , string theory , space (punctuation) , theoretical physics , mathematical physics , quantum mechanics , relationship between string theory and quantum field theory , mathematics , mathematical analysis , linguistics , philosophy , quantum gravity , quantum

This paper analyzes the effect of curved closed string backgrounds on thestability of D-branes within boundary string field theory. We identify thenon-local open string background that implements shifts in the closed stringbackground and analyze the tachyonic sector off-shell. The renormalizationgroup flow reveals some characteristic properties, which are expected for acurved background, like the absence of a stable space-filling brane. In3-dimensions we describe tachyon condensation processes to lower-dimensionalbranes, including a curved 2-dimensional brane. We argue that this 2-brane isperturbatively stable. This is in agreement with the known maximally symmetricWZW-branes and provides further support to the bulk-boundary factorizationapproach to open-closed string correspondence.Comment: 23 pages, harvma

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