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Worldsheet form factors in AdS/CFT
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.
2013 (English)In: Physical Review D, ISSN 1550-7998, Vol. 87, no 2, 026004- p.Article in journal (Refereed) Published
Abstract [en]

We formulate a set of consistency conditions appropriate to worldsheet form factors in the massive, integrable but nonrelativistic, light-cone gauge fixed AdS(5) x S-5 string theory. We then perturbatively verify that these conditions hold, at tree level in the near-plane-wave limit and to one loop in the near-flat (Maldacena-Swanson) limit, for a number of specific cases. We further study the form factors in the weakly coupled dual description, verifying that the relevant conditions naturally hold for the one-loop Heisenberg spin chain. Finally, we note that the near-plane-wave expressions for the form factors, when further expanded in small momentum or, equivalently, large charge density, reproduce the thermodynamic limit of the spin-chain results at leading order.

Place, publisher, year, edition, pages
2013. Vol. 87, no 2, 026004- p.
National Category
Natural Sciences
URN: urn:nbn:se:uu:diva-195373DOI: 10.1103/PhysRevD.87.026004ISI: 000313949000012OAI: oai:DiVA.org:uu-195373DiVA: diva2:607776
Available from: 2013-02-25 Created: 2013-02-25 Last updated: 2013-02-25Bibliographically approved

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Klose, Thomas
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