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  Integrable Hamiltonian for Classical Strings on AdS5 x S5

Arutyunov, G., & Frolov, S. (2005). Integrable Hamiltonian for Classical Strings on AdS5 x S5. Journal of High Energy, 2: 059. Retrieved from http://www.iop.org/EJ/abstract/1126-6708/2005/02/059.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4E48-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4E49-8
Genre: Journal Article

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022005059.pdf (Publisher version), 372KB
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 Creators:
Arutyunov, Gleb1, Author
Frolov, Sergey1, Author
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1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24014              

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 Abstract: We find the hamiltonian for physical excitations of the classical bosonic string propagating in the AdS(5) X S-5 space-time. The hamiltonian is obtained in a so-called uniform gauge which is related to the static gauge by a 2d duality transformation. The hamiltonian is of the Nambu type and depends on two parameters: a single S-5 angular momentum J and the string tension A. In the general case both parameters can be finite. The space of string states consists of short and long strings. In the sector of short strings the large J expansion with lambda' = lambda/J(2) fixed recovers the plane-wave hamiltonian and higher-order corrections recently studied in the literature. In the strong coupling limit lambda --> infinity, J fixed, the energy of short strings scales as (4)root lambda while the energy of long strings scales as root lambda. We further show that the gauge-fixed hamiltonian is integrable by constructing the corresponding Lax representation. We discuss some general properties of the monodromy matrix, and verify that the asymptotic behavior of the quasi-momentum perfectly agrees with the one obtained earlier for some specific cases.

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Language(s): eng - English
 Dates: 2005-02
 Publication Status: Published in print
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Title: Journal of High Energy
Source Genre: Journal
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Pages: - Volume / Issue: 2 Sequence Number: 059 Start / End Page: - Identifier: -