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Anomalous dimensions from a high temperature expansion without a lattice

Authors
Journal
Physics Letters B
0370-2693
Publisher
Elsevier
Publication Date
Volume
64
Issue
4
Identifiers
DOI: 10.1016/0370-2693(76)90119-2

Abstract

Abstract Using the high temperature expansion we estimate the critical exponent γ of the λφ 4 theory in any dimension. We chose a particular form for the kinetic term: the computation of the diagrams is very simple and the dimension D can be freely changed.

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