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Covariant approach to the wilson renormalization of nonlinear σ models

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  • Yudson, V.I.

Abstract

An approach is presented which allows to perform the Wilson RG analysis of the nonlinear σ models (Q matrix and S-vector models are considered) in such a way that a contribution of any diagram of the loop expansion is expressed directly in terms of a slow field (Qslow or Sslow).

Suggested Citation

  • Yudson, V.I., 1990. "Covariant approach to the wilson renormalization of nonlinear σ models," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 167(1), pages 140-148.
    • Handle: RePEc:eee:phsmap:v:167:y:1990:i:1:p:140-148
    DOI: 10.1016/0378-4371(90)90048-W
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    1. Coulehan, J.L. & Lerner, G. & Helzlsouer, K. & Welty, T.K. & McLaughlin, J., 1986. "Acute myocardial infarction among Navajo Indians, 1976-83," American Journal of Public Health, American Public Health Association, vol. 76(4), pages 412-414.
    2. Schäffer, Claus E., 1982. "The overlap concept of Clebsch-Gordan coefficients and Racah lemma constants," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 114(1), pages 28-49.
    3. Wegner, Manfred, 1980. "Produktivitätsfortschritte in den 80ern: Bedrohung oder Notwendigkeit für die EG?," Wirtschaftsdienst – Zeitschrift für Wirtschaftspolitik (1949 - 2007), ZBW - Leibniz Information Centre for Economics, vol. 60(2), pages 86-92.
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