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The generalized cusp in AdS(4) x CP3 and more one-loop results from semiclassical strings

V. Forini ; Valentina Giangreco Marotta Puletti (Institutionen för fundamental fysik, Elementarpartikelfysik) ; O. O. Sax
Journal of Physics A: Mathematical and Theoretical (1751-8113). Vol. 46 (2013), 11,
[Artikel, refereegranskad vetenskaplig]

We evaluate the exact one-loop partition function for fundamental strings whose world surface ends on a cusp at the boundary of AdS(4) and has a 'jump' in CP3. This allows us to extract the stringy prediction for the ABJM-generalized cusp anomalous dimension Gamma(ABJM)(cusp) (phi, theta) up to NLO in sigma-model perturbation theory. With a similar analysis, we present the exact partition functions for folded closed string solutions moving in the AdS(3) parts of AdS(4) x CP3 and AdS(3) x S-3 x S-3 x S-1 backgrounds. Results are obtained applying to the string solutions relevant for the AdS(4)/CFT3 and AdS(3)/CFT2 correspondence the tools previously developed for their AdS(5) x S-5 counterparts.

Denna post skapades 2013-04-19.
CPL Pubid: 175861


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Institutioner (Chalmers)

Institutionen för fundamental fysik, Elementarpartikelfysik (2005-2013)


Matematisk fysik

Chalmers infrastruktur