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  Stringy sums and corrections to the quantum string Bethe ansatz

Zamaklar, M., & Schäfer-Nameki, S. (2005). Stringy sums and corrections to the quantum string Bethe ansatz. Journal of High Energy Physics, 2005(10): 044. Retrieved from http://www.iop.org/EJ/abstract/1126-6708/2005/10/044.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4F73-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4F75-B
Genre: Journal Article

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jhep102005044.pdf (Publisher version), 264KB
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Zamaklar, Marija1, Author
Schäfer-Nameki, Sakura, Author
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1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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 Abstract: We analyze the effects of zeta-function regularization on the evaluation of quantum corrections to spinning strings. Previously, this method was applied in the (2) subsector and yielded agreement to third order in perturbation theory with the quantum string Bethe ansatz. In this note we discuss related sums and compare zeta-function regularization against exact evaluation of the sums, thereby showing that the zeta-function regularized expression misses out perturbative as well as non-perturbative terms. In particular, this may imply corrections to the proposed quantum string Bethe equations. This also explains the previously observed discrepancy between the semi-classical string and the quantum string Bethe ansatz in the regime of large winding number.

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 Dates: 2005
 Publication Status: Published in print
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Title: Journal of High Energy Physics
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Pages: - Volume / Issue: 2005 (10) Sequence Number: 044 Start / End Page: - Identifier: -