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Dynamical symmetry breaking in SU(2) × U(1) in weak coupling limit

  • K. T. Mahanthappa
Session V — Elementary Particles, Grand-Unification, Gauge Theories
Part of the Lecture Notes in Physics book series (LNP, volume 180)

Abstract

Possibility of dynamical symmetry breaking (DSB) in scalarless SU(2) × U(1) is studied in weak coupling limit using an effective potential approach. In the linearized approximation we find that the model with a quark doublet can have DSB whereas the model with a lepton doublet cannot. When nonlinear effects, including those due to the non-abelian triple and quartic vector couplings, are included DSB is not realized.

Keywords

Linearize Approximation Weak Coupling Limit Landau Gauge True Vacuum Lepton Doublet 
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References

  1. 1.
    K. D. Lane and M. Perhkin, in Electroweak Interactions and Unified Theories, ed. J. Tran Thanh Van (Editions Frontieres, Dreux, France, 1980), Vol. II. p. 469 which contains references to previous work.Google Scholar
  2. 2.
    J. M. Cornwall, R. Jackiw and E. Tomboulis, Phys. Rev. D 10, 2428 (1974).Google Scholar
  3. 3.
    Details can be found in K. T. Mahanthappa and J. Randa, COLO-HEP-36 (1982) and (in preparation).Google Scholar

Copyright information

© Springer-Verlag 1983

Authors and Affiliations

  • K. T. Mahanthappa
    • 1
  1. 1.University of ColoradoBoulderColorado

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