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Resummation of perturbation series in non-equilibrium scalar field theory
The general behaviour of perturbation series in non-equilibrium scalar field theory is analysed in some detail, with a particular emphasis on the ``pathological terms'', generated by multiple products of \delta-functions. Using an intuitive regularization method, it is shown that these ter...
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| Lenguaje: | eng |
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1995
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| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(94)01327-9 https://dx.doi.org/10.1016/0370-2693(95)80010-U http://cds.cern.ch/record/265857 |