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On the Effective Potential for Local Composite Operators

✍ Scribed by E.V. Gorbar

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
116 KB
Volume
277
Category
Article
ISSN
0003-4916

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✦ Synopsis

We show that the effective potential for local composite operators is a useful object in studying dynamical symmetry breaking by calculating the effective potential for the local composite operators and , 2 in the Gross Neveu (GN) and O(N) models, respectively. Since the effective potential for local composite operators can be calculated by using the Cornwall Jackiw Tomboulis (CJT) effective potential in theory with additional bare mass terms, we show that divergences in the effective potential for local composite operators are the same as those in the CJT effective potential. We compare the results obtained with the results given by the auxiliary field method.

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