The scalar ancestor of the energy-momentum field in critical σ-models at 2 < d < 4

We show how to compute the two-point function of the ancestor field by a study of only thirteen graphs of order 1/ N 3.

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Bibliographic Details
Published in:Physics letters. B 1992, Vol.275 (1), p.93-98
Main Authors: Lang, K., Rühl, W.
Format: Article
Language:English
Subjects:
Classical and quantum physics: mechanics and fields
Exact sciences and technology
Physics
Theory of quantized fields
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Description
Summary:We show how to compute the two-point function of the ancestor field by a study of only thirteen graphs of order 1/ N 3.
ISSN:0370-2693
1873-2445
DOI:10.1016/0370-2693(92)90856-Y