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Wrapping in maximally supersymmetric and marginally deformed N = 4 Yang-Mills

AuthorsGunnesson, Johan
KeywordsLattice integrable models
AdS-CFT correspondence
Bethe Ansatz
Issue DateApr-2009
PublisherInstitute of Physics Publishing
International School for Advanced Studies
CitationJournal of High Energy Physics 04(130): (2009)
AbstractIn this note we give evidence for an equality of the spectra, including wrapping, of the SU(2)-sector spin chain for real deformations and +1/L, in marginally -deformed N = 4 Yang-Mills, which appears after relaxing the cyclicity constraint. Evidence for the equality is given by evaluating the first wrapping correction to the energy of the undeformed magnon of momentum , and the = 1/2, physical magnon, for several spin chain lengths L. We also show that the term of maximal transcendentality coincides for both magnons to all L. As a by-product we provide an expression for the first wrapping correction to the = 1/2 single-magnon operator dimension, valid for all even L. We then apply the symmetry to the magnon dispersion relation of N = 4, obtaining its first wrapping correction for a discrete set of magnon momenta.
Description16 pages.-- Pre-print archive.
Publisher version (URL)http://dx.doi.org/10.1088/1126-6708/2009/04/130
Appears in Collections:(IFT) Artículos
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