The effective supergravity of little string theory

Antoniadis, Ignatios; Delgado, Antonio; Markou, Chrysoula; Pokorski, Stefan (2018). The effective supergravity of little string theory. European physical journal. C - particles and fields, 78(2) EDP Sciences 10.1140/epjc/s10052-018-5632-4

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In this work we present the minimal supersym- metric extension of the five-dimensional dilaton-gravity the- ory that captures the main properties of the holographic dual of little string theory. It is described by a particular gauging of N = 2 supergravity coupled with one vector multiplet associated with the string dilaton, along the U(1) subgroup of SU(2) R-symmetry. The linear dilaton in the fifth coor- dinate solution of the equations of motion (with flat string frame metric) breaks half of the supersymmetries to N = 1 in four dimensions. Interest in the linear dilaton model has lately been revived in the context of the clockwork mecha- nism, which has recently been proposed as a new source of exponential scale separation in field theory.

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