Based upon lecture notes for a course taught by Kleinert, this monograph explains in detail how to perform perturbation expansions in quantum field theory to high orders. The authors also describe how to extract the critical properties of the theory from the resulting divergent power series. Kleinert teaches physics at the Freie U. in Berlin and Schulte-Frohlinde is a visiting scientist at Harvard. Annotation copyrighted by Book News Inc., Portland, OR.The individual citations in the text refer to: [1] The construction of all diagrams and their multiplicities based on the recursion relation in Fig. ... Phys. 30, 187 (1982); ibid. 30, 351 (1982). The Mathematica program and its output are available on the internet ... 89, 231 (2000) (hep-ph/0005029). ... procedure: by cutting two lines in a connected vacuum diagram with p vertices rather than by removing a vertex.

Title | : | Critical Properties of [Greek Letter Phi]4-theories |

Author | : | Hagen Kleinert, Verena Schulte-Frohlinde |

Publisher | : | World Scientific - 2001 |

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