Toward precision holography with supersymmetric Wilson loops

Alberto Faraggi, Leopoldo A. Pando Zayas, Guillermo A. Silva, Diego Trancanelli

Resultado de la investigación: Article

20 Citas (Scopus)

Resumen

We consider certain 1/4 BPS Wilson loop operators in SU(N) N = 4 supersymmetric Yang-Mills theory, whose expectation value can be computed exactly via supersymmetric localization. Holographically, these operators are mapped to fundamental strings in AdS5 ×S5. The string on-shell action reproduces the large N and large coupling limit of the gauge theory expectation value and, according to the AdS/CFT correspondence, there should also be a precise match between subleading corrections to these limits. We perform a test of such match at next-to-leading order in string theory, by deriving the spectrum of quantum fluctuations around the classical string solution and by computing the corresponding 1-loop effective action. We discuss in detail the supermultiplet structure of the fluctuations. To remove a possible source of ambiguity in the ghost zero mode measure, we compare the 1/4 BPS configuration with the 1/2 BPS one, dual to a circular Wilson loop. We find a discrepancy between the string theory result and the gauge theory prediction, confirming a previous result in the literature. We are able to track the modes from which this discrepancy originates, as well as the modes that by themselves would give the expected result.

Idioma originalEnglish
Número de artículo053
PublicaciónJournal of High Energy Physics
Volumen2016
N.º4
DOI
EstadoPublished - 1 ene 2016

Huella dactilar

holography
strings
string theory
gauge theory
operators
ghosts
Yang-Mills theory
ambiguity
configurations
predictions

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Citar esto

Faraggi, Alberto ; Pando Zayas, Leopoldo A. ; Silva, Guillermo A. ; Trancanelli, Diego. / Toward precision holography with supersymmetric Wilson loops. En: Journal of High Energy Physics. 2016 ; Vol. 2016, N.º 4.
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Toward precision holography with supersymmetric Wilson loops. / Faraggi, Alberto; Pando Zayas, Leopoldo A.; Silva, Guillermo A.; Trancanelli, Diego.

En: Journal of High Energy Physics, Vol. 2016, N.º 4, 053, 01.01.2016.

Resultado de la investigación: Article

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