Spontaneous Symmetry Breaking in 4-Dimensional Heterotic String

  • Jnanadeva Maharana
Part of the NATO ASI Series book series (NSSB, volume 245)


The evolution of a 4-dimensional heterotic string is considered in the background of its massless excitations such as graviton, antisymmetric tensor, gauge fields and scalar bosons. The compactifled bosonic coordinates are ferrnionized. The world-sheet supersymmetry requirement enforces Thirring-like four fermion coupling to the background scalar fields. The non-abelian gauge symmetry is exhibited through the Ward identities of the S-matrix elements. The spontaneous symmetry breaking mechanism is exhibited through the broken Ward identities. An effective 4-dimensional action is constructed and the consequence of spontaneous symmetry breaking is envisaged for the effective action.


Gauge Field Ward Identity Heterotic String Spontaneous Symmetry Breaking Scalar Boson 
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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • Jnanadeva Maharana
    • 1
  1. 1.Theoretical Physics DepartmentFermi National Accelerator LaboratoryBataviaUSA

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