Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2005-07-19
JHEP0509:051,2005
Physics
High Energy Physics
High Energy Physics - Theory
33 pages, 9 figures
Scientific paper
10.1088/1126-6708/2005/09/051
We analyze quantum corrections to rigid spinning strings in AdS(5)xS(5). The one-loop worldsheet quantum correction to the string energy is compared to the finite-size correction from the quantum string Bethe ansatz. Expanding the summands of the string theory energy shift in the parameter \lambda/J^2 and subsequently resumming them yields a divergent result. However, upon zeta-function regularization this result agrees with the Bethe ansatz at the first three orders. We also perform an analogous computation in the limit of large winding number, which results in a disagreement with the string Bethe ansatz prediction. A similar mismatch is observed numerically. We comment on the possible origin of this discrepancy.
Schafer-Nameki Sakura
Zamaklar Marija
Zarembo Konstantin
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