Supersymmetry of Tensionless Rotating Strings in AdS5 x S5, and Nearly-BPS Operators
Abstract
It is shown that a class of rotating strings in AdS5 x S5 with SO(6) angular momenta (J,J',J') preserve 1/8-supersymmetry for large J,J', in which limit they are effectively tensionless; when J=0, supersymmetry is enhanced to 1/4. These results imply that recent checks of the AdS/CFT correspondence actually test a nearly-BPS sector.
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