Tree and Loop Amplitudes in Open Twistor String Theory

Details Tree and Loop Amplitudes in Open Twistor String Theory Tree and Loop Amplitudes in Open Twistor String Theory

2007-03-06

arxiv.org/abs/hep-th/0703054v2

JHEP 0706:005,2007

Physics

High Energy Physics

High Energy Physics - Theory

54 pages, misprints corrected in the published version

Scientific paper

10.1088/1126-6708/2007/06/005

We compute the one-loop gluon amplitude for the open twistor string model of Berkovits, using a symmetric form of the vertex operators. We discuss the classical solutions in various topologies and instanton sectors and the canonical quantization of the world sheet Lagrangian. We derive the N-point functions for the gluon tree and one-loop amplitudes, and calculate a general one-loop expression for the current algebra.

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