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Prog. Theor. Phys. Vol. 71 No. 1 (1984) pp. 138-150

Decoupling Subtraction Conserving Full Gauge Symmetries

Noriyasu Ohtsubo and Hideo Miyata^*

Department of Physics, Kanazawa Technical College, Ishikawa 921
^*Department of Information Science, Kanazawa Institute of Technolgy, Ishikawa 921

(Received May 30, 1983)

Abstract:

A new subtraction scheme (\overlineDS) which realizes the decoupling and conserves the symmetries of full gauge group simultaneously, is proposed. One particle irreducible Green's functions subtracted by \overlineDS reveal the effective low energy symmetries at -p² ≪M² and the full symmetries at -p² ≫M² where M denotes a heavy mass. Also discussed are conditions in order to carry out \overlineDS under two-loop approximation.

URL : http://ptp.ipap.jp/link?PTP/71/138/
DOI : 10.1143/PTP.71.138

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