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Renormalization Group Analysis of the Heavy Field Decoupling in a Scalar Theory by Bonanno, A.; Polonyi, J.; Zappalá, D. is a scholarly article available to read on EtoBox.

What is Renormalization Group Analysis of the Heavy Field Decoupling in a Scalar Theory about?

The problem of two coupled scalar fields, one with mass much lighter than the other is analysed by means of Wilson's renormalization group approach. Coupled equations for the potential and the wave function renormalization are obtained by means of the gradient expansion. The Appelquist-Carazzone theorem is checked at energies comparable with the light mass; the physics of the light field is also studied at energies comparable and greater than the heavy mass.

Author

Bonanno, A.; Polonyi, J.; Zappalá, D.

Published

1996

Language

EN