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How accurate is the quantum string Bethe ansatz?
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Theoretical Physics.
2006 (English)In: Journal of High Energy Physics (JHEP), ISSN 1029-8479, E-ISSN 1126-6708, no 12, 020- p.Article in journal (Refereed) Published
Abstract [en]

We compare solutions of the quantum string Bethe equations with explicit one-loop calculations in the sigma-model on AdS(5) x S-5. The Bethe ansatz exactly reproduces the spectrum of infinitely long strings. When the length is finite, we find that deviations from the exact answer arise which are exponentially small in the string length.

Place, publisher, year, edition, pages
2006. no 12, 020- p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-13772DOI: 10.1088/1126-6708/2006/12/020ISI: 000244081100021OAI: oai:DiVA.org:uu-13772DiVA: diva2:41542
Available from: 2008-01-25 Created: 2008-01-25 Last updated: 2011-02-14Bibliographically approved

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Publisher's full texthttp://uk.arxiv.org/abs/hep-th/0610250
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