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Loop integral

In quantum field theory and statistical mechanics, loop integrals are the integrals which appear when evaluating the Feynman diagrams with one or more loops by integrating over the internal momenta.

There are two standard techniques for evaluating loop integrals:

  • Feynman parametrization
  • Schwinger parametrization
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Loop_integral". A list of authors is available in Wikipedia.
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