Nathan Berkovits, Brenno Carlini Vallilo
Abstract
The hybrid formalism for the superstring is used to compute one-loop amplitudes with an arbitrary number of external d=4 supergravity states. These one-loop N-point amplitudes are expressed as Koba-Nielsen-like formulas with manifest d=4 supersymmetry.
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The hybrid formalism for the superstring is used to compute one-loop amplitudes with an arbitrary number of external d=4 supergravity states. These one-loop N-point amplitudes are expressed as Koba-Nielsen-like formulas with manifest d=4 supersymmetry.
Key concepts: Superstring theory, Supersymmetry, Loop (graph theory), Physics, Amplitude, Point (geometry), Particle physics, Mathematical physics