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  A Crossing-Symmetric Phase for AdS5 x S5 Strings

Beisert, N., Hernandez, R., & Lopez, E. (2006). A Crossing-Symmetric Phase for AdS5 x S5 Strings. Journal of High Energy Physics, 2006(11): 070.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4C96-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4C99-4
Genre: Journal Article

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0609044.pdf (Preprint), 415KB
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 Creators:
Beisert, Niklas1, Author              
Hernandez, Rafael, Author
Lopez, Esperanza, Author
Affiliations:
1Duality & Integrable Structures, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24016              

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 Abstract: We propose an all-order perturbative expression for the dressing phase of the AdS_5 x S^5 string S-matrix at strong coupling. Moreover, we are able to sum up large parts of this expression. This allows us to start the investigation of the analytic structure of the phase at finite coupling revealing a few surprising features. The phase obeys all known constraints including the crossing relation and it matches with the known physical data at strong coupling. In particular, we recover the bound states of giant magnons recently found by Hofman and Maldacena as poles of the scattering matrix. At weak coupling our proposal seems to differ with gauge theory. A possible solution to this disagreement is the inclusion of additional pieces in the phase not contributing to crossing, which we also study.

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 Dates: 2006
 Publication Status: Published in print
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 Identifiers: eDoc: 313855
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Title: Journal of High Energy Physics
Source Genre: Journal
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Pages: - Volume / Issue: 2006 (11) Sequence Number: 070 Start / End Page: - Identifier: -