Gauge-string duality for (non)supersymmetric deformations of N = 4 super-Yang-Mills theory

S. A. Frolov, R. Roiban, A. A. Tseytlin

Research output: Contribution to journalArticle

81 Citations (Scopus)

Abstract

We consider a nonsupersymmetric example of the AdS/CFT duality which generalizes the supersymmetric exactly marginal deformation constructed in hep-th/0502086. The string theory background we use was found in hep-th/0503201 from the AdS5 × S5 by a combination of T-dualities and shifts of angular coordinates. It depends on three real parameters γi which determine the shape of the deformed 5-sphere. The dual gauge theory has the same field content as N = 4 SYM theory, but with scalar and Yukawa interactions "deformed" by γi-dependent phases. The special case of equal γi = γ corresponds to the N = 1 supersymmetric deformation. We compare the energies of semiclassical strings with three large angular momenta to the 1-loop anomalous dimensions of the corresponding gauge-theory scalar operators and find that they match as it was the case in the SU(3) sector of the standard AdS/CFT duality. In the supersymmetric case of equal γi this extends the result of our previous work (hep-th/0503192) from the 2-spin to the 3-spin sector. This extension turns out to be quite nontrivial. To match the corresponding low-energy effective "Landau-Lifshitz" actions on the string theory and the gauge theory sides one is to make a special choice of the spin chain Hamiltonian representing the 1-loop gauge theory dilatation operator. This choice is adapted to low-energy approximation, i.e., it allows one to capture the right vacuum states and the "macroscopic spin wave" sector of states of the spin chain in the continuum coherent state effective action.

Original languageEnglish (US)
Pages (from-to)1-44
Number of pages44
JournalNuclear Physics B
Volume731
Issue number1-2
DOIs
StatePublished - Dec 19 2005

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Yang-Mills theory
gauge theory
strings
sectors
string theory
scalars
operators
magnons
energy
angular momentum
continuums
vacuum
shift
approximation
interactions

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Cite this

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title = "Gauge-string duality for (non)supersymmetric deformations of N = 4 super-Yang-Mills theory",
abstract = "We consider a nonsupersymmetric example of the AdS/CFT duality which generalizes the supersymmetric exactly marginal deformation constructed in hep-th/0502086. The string theory background we use was found in hep-th/0503201 from the AdS5 × S5 by a combination of T-dualities and shifts of angular coordinates. It depends on three real parameters γi which determine the shape of the deformed 5-sphere. The dual gauge theory has the same field content as N = 4 SYM theory, but with scalar and Yukawa interactions {"}deformed{"} by γi-dependent phases. The special case of equal γi = γ corresponds to the N = 1 supersymmetric deformation. We compare the energies of semiclassical strings with three large angular momenta to the 1-loop anomalous dimensions of the corresponding gauge-theory scalar operators and find that they match as it was the case in the SU(3) sector of the standard AdS/CFT duality. In the supersymmetric case of equal γi this extends the result of our previous work (hep-th/0503192) from the 2-spin to the 3-spin sector. This extension turns out to be quite nontrivial. To match the corresponding low-energy effective {"}Landau-Lifshitz{"} actions on the string theory and the gauge theory sides one is to make a special choice of the spin chain Hamiltonian representing the 1-loop gauge theory dilatation operator. This choice is adapted to low-energy approximation, i.e., it allows one to capture the right vacuum states and the {"}macroscopic spin wave{"} sector of states of the spin chain in the continuum coherent state effective action.",
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Gauge-string duality for (non)supersymmetric deformations of N = 4 super-Yang-Mills theory. / Frolov, S. A.; Roiban, R.; Tseytlin, A. A.

In: Nuclear Physics B, Vol. 731, No. 1-2, 19.12.2005, p. 1-44.

Research output: Contribution to journalArticle

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AU - Tseytlin, A. A.

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