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On perturbative field theory and twistor string theory
It is well-known that perturbative calculations in field theory can lead to far simpler answers than the Feynman diagram approach might suggest. In some cases scattering amplitudes can be constructed for processes with any desired number of external legs yielding compact expressions which are inacce...
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| Lenguaje: | eng |
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Queen Mary Univ.
2007
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| Acceso en línea: | http://cds.cern.ch/record/1058474 |