Instanton Effects in Supergravity Theories

Details Instanton Effects in Supergravity Theories Instanton Effects in Supergravity Theories

1993-05-14

arxiv.org/abs/hep-th/9305064v1

Phys.Rev.Lett. 71 (1993) 1132-1135

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, NUB-3064--PUPT-1400--SNUTP-93-29

Scientific paper

10.1103/PhysRevLett.71.1132

Non-perturbative effects of instanton-like solutions are studied within the framework of supergravity theories with field-dependent gauge functions. Fermionic zero modes are constructed and some typical correlation functions are evaluated. The effects of instantons are very similar to those in globally supersymmetric theories: they preserve supersymmetry while breaking a chiral $U(1)$ symmetry. Non-perturbative amplitudes receive corrections which are suppressed at large distances.

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