We use S-duality and planarity to propose an argument for the non-renormalization of the dispersion relation of giant magnon solutions in type IIB string theory on AdS5×S5. We compute the spectrum of giant magnons for (p,q)-strings from field theory at strong coupling by using the central charge properties of electrically and magnetically charged supersymmetric states in the Coulomb branch of N=4 super Yang-Mills. We argue that the coupling dependence of the giant magnon dispersion relation conjectured in the literature using integrability assumptions is in fact the only functional dependence compatible with S-duality.

S-duality and the giant magnon dispersion relation / Berenstein, David; Trancanelli, Diego. - In: THE EUROPEAN PHYSICAL JOURNAL. SPECIAL TOPICS. - ISSN 1951-6355. - 74:6(2014), pp. 1-5. [10.1140/epjc/s10052-014-2925-0]

S-duality and the giant magnon dispersion relation

Diego Trancanelli
2014

Abstract

We use S-duality and planarity to propose an argument for the non-renormalization of the dispersion relation of giant magnon solutions in type IIB string theory on AdS5×S5. We compute the spectrum of giant magnons for (p,q)-strings from field theory at strong coupling by using the central charge properties of electrically and magnetically charged supersymmetric states in the Coulomb branch of N=4 super Yang-Mills. We argue that the coupling dependence of the giant magnon dispersion relation conjectured in the literature using integrability assumptions is in fact the only functional dependence compatible with S-duality.
2014
74
6
1
5
S-duality and the giant magnon dispersion relation / Berenstein, David; Trancanelli, Diego. - In: THE EUROPEAN PHYSICAL JOURNAL. SPECIAL TOPICS. - ISSN 1951-6355. - 74:6(2014), pp. 1-5. [10.1140/epjc/s10052-014-2925-0]
Berenstein, David; Trancanelli, Diego
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1177389
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