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Unitarity-Cuts and Berry's Phase
Elaborating on the observation that two-particle unitarity-cuts of scattering amplitudes can be computed by applying Stokes' Theorem, we relate the Optical Theorem to the Berry Phase, showing how the imaginary part of arbitrary one-loop Feynman amplitudes can be interpreted as the flux of a com...
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| Lenguaje: | eng |
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2009
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| Acceso en línea: | https://dx.doi.org/10.1007/s11005-010-0370-z http://cds.cern.ch/record/1185299 |