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Journal Article

Worldsheet Form Factors in AdS/CFT

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons20681

McLoughlin,  Tristan
Duality & Integrable Structures, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Fulltext (public)

1208.2020
(Preprint), 772KB

PRD87_026004.pdf
(Any fulltext), 452KB

Supplementary Material (public)
There is no public supplementary material available
Citation

Klose, T., & McLoughlin, T. (2013). Worldsheet Form Factors in AdS/CFT. Physical Review D, 87(2): 026004. doi:10.1103/PhysRevD.87.026004.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-E678-3
Abstract
We formulate a set of consistency conditions appropriate to worldsheet form factors in the massive, integrable but non-relativistic, 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.