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  The off-shell symmetry algebra of the light-cone AdS5x S5 superstring

Arutyunov, G., Frolov, S., Plefka, J., & Zamaklar, M. (2007). The off-shell symmetry algebra of the light-cone AdS5x S5 superstring. Journal of Physics A, 40(13), 3583-3605.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4861-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4862-D
Genre: Journal Article

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 Creators:
Arutyunov, Gleb1, Author
Frolov, Sergey1, Author
Plefka, Jan1, Author
Zamaklar, Marija1, Author
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1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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 Abstract: We analyze the psu(2,2|4) supersymmetry algebra of a superstring propagating in the AdS_5 x S^5 background in the uniform light-cone gauge. We consider the off-shell theory by relaxing the level-matching condition and take the limit of infinite light-cone momentum, which decompactifies the string world-sheet. We focus on the psu(2|2)+psu(2|2) subalgebra which leaves the light-cone Hamiltonian invariant and show that it undergoes extension by a central element which is expressed in terms of the level-matching operator. This result is in agreement with the conjectured symmetry algebra of the dynamic S-matrix in the dual N=4 gauge theory.

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 Dates: 2007-03-30
 Publication Status: Published in print
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 Identifiers: eDoc: 288717
Other: arXiv:hep-th/0609157
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Title: Journal of Physics A
Source Genre: Journal
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Pages: - Volume / Issue: 40 (13) Sequence Number: - Start / End Page: 3583 - 3605 Identifier: -