Perturbative calculation of multi-loop Feynman diagrams. New type of expansions for critical exponents

@inproceedings{Kleinert1999PerturbativeCO,
  title={Perturbative calculation of multi-loop Feynman diagrams. New type of expansions for critical exponents},
  author={Hagen Kleinert},
  year={1999}
}
  • Hagen Kleinert
  • Published 1999
  • Physics
  • Abstract We show that the calculation of L -loop Feynman integrals in D dimensions can be reduced to a series of matrix multiplications in L dimensions. This leads to a new type of expansions for the critical exponents in three dimensions in which all coefficients are calculable exactly. 

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