Highest states in light-cone $AdS_5\times S^5$ superstring

Details Highest states in light-cone $AdS_5\times S^5$ superstring Highest states in light-cone $AdS_5\times S^5$ superstring

2007-01-18

arxiv.org/abs/hep-th/0701167v1

JHEP 0704:034,2007

Physics

High Energy Physics

High Energy Physics - Theory

33 pages, 3 eps figures

Scientific paper

10.1088/1126-6708/2007/04/034

We study the highest states in the compact rank-1 sectors of the AdS5 X S5 superstring in the framework of the recently proposed light cone Bethe Ansatz equations. In the su(1|1) sector we present strong coupling expansions in the two limits L,lambda -> OO (expanding in power of lambda^{-1/4} with fixed large L) and lambda, L -> OO (expanding in power of 1/L with fixed large lambda) where lambda is the 't Hooft coupling and L is the number of Bethe momenta. The two limits do not commute apart from the leading term which reproduces the result obtained with the Arutyunov-Frolov-Staudacher phase in the lambda, L -> OO limit. In the su(2) sector we perform the strong coupling expansions in the L->OO limit up to O(lambda^{-1/4}), and our result is in agreement with previuos String Bethe Ansatz analysis.

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