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Spiky strings in the SL(2) Bethe Ansatz
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.
2013 (English)In: 6TH INTERNATIONAL SYMPOSIUM ON QUANTUM THEORY AND SYMMETRIES (QTS6), 2013Conference paper, Published paper (Refereed)
Abstract [en]

We consider spiky strings in the context of the SL(2) Bethe ansatz equations. We obtain an asymmetric distribution of Bethe roots along one cut which determines the all loop anomalous dimension at leading and subleading orders in a large S expansion. At leading order in strong coupling (large lambda) the energy of such states is given, in terms of the spin S and the number of spikes n by E-S = n root lambda/2 pi (ln =4 pi S/root lambda broken vertical bar In 4/n-1) broken vertical bar O(InS/S). This result agrees perfectly with the same expansion obtained from the known spiky string classical solution. We also discuss a two cut spiky string Bethe root distribution at one-loop in the SL(2) Bethe ansatz.

Place, publisher, year, edition, pages
2013.
Series
Journal of Physics Conference Series, ISSN 1742-6588 ; 462
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-218530DOI: 10.1088/1742-6596/462/1/012027ISI: 000329356700028OAI: oai:DiVA.org:uu-218530DiVA, id: diva2:696308
Conference
6th International Symposium on Quantum Theory and Symmetries (QTS), JUL 20-25, 2009, Lexington, KY
Available from: 2014-02-13 Created: 2014-02-12 Last updated: 2014-02-13Bibliographically approved

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Freyhult, Lisa

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