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Spontaneously broken conformal symmetry and the nucleon sigma-model

Спонтанно нарушенная конформная симметрия и нуклонная сигма-модель

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Il Nuovo Cimento A (1965-1970)

Summary

We apply to the nucleon σ-model a theory of spontaneous breaking of the conformal symmetry, withO 2,3 as invariance group of the vacuum. We discuss, in the tree approximation, the results of the shift procedure for the various fields and their group theoretical aspect.

Riassunto

Viene applicata per il modello σ con nucleoni una teoria di rottura spontanea della simmetria conforme, in cui il gruppo di invarianza per il vuoto èO 2,3. Nell’approssimazione semiclassica si discutono i risultati del procedimento per i vari campi e il loro aspetto gruppale.

Резюме

Мы применяем к исследованию сигма-модели с нуклонами теорию спонтанного нарушения симметрии, в которой группа инвариантности вакуума представляетO 2,3. В полуклассическом приближении обсуждаются результаты предложенной процедуры для различных полей и их теоретикогрупповые аспекты.

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References

  1. S. Fubini:Nuovo Cimento,34 A, 521 (1976).

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  2. For a recent work on the subiect see,e.g.,S. L. Adler:Phys. Rev. D,6, 3445 (1972), where the main references can be found.

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  3. J. Wess andB. Zumino:Nucl. Phys.,70 B, 39 (1970).

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  4. See, for instance,N. T. Evans:Journ. Math. Phys.,8, 170 (1967).

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Authors and Affiliations

  1. Istituto di Fisica Teorica dell’Università, Torino

    V. de Alfaro

  2. Istituto Nazionale di Fisica Nucleare, Sezione di Torino, Torino, Italia

    V. de Alfaro

  3. Istituto di Fisica Teorica dell’ Università, Trieste

    G. Furlan

  4. Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, Trieste, Italia

    G. Furlan

  5. International Centre for Theoretical Physics, Trieste

    G. Furlan

Authors
  1. V. de Alfaro
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  2. G. Furlan
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Перевебено ребакцией.

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de Alfaro, V., Furlan, G. Spontaneously broken conformal symmetry and the nucleon sigma-model. Nuov Cim A 34, 555–568 (1976). https://doi.org/10.1007/BF02785665

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  • DOI: https://doi.org/10.1007/BF02785665

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