On vaccum instability of massless φ 4 theory

Kang Young Lee, Sin Kyu Kang, Jae Kwan Kim

Research output: Contribution to journalArticlepeer-review

Abstract

The massless φ 4 theory may have the asymptotic, freedom in symmetry-broken phase. We study the vacuum instability which is the origin of the asymptotic freedom in comparison with some models. It is shown that the concept of the vacuum instability of the other literature can be applied to the massless φ 4 theory.

Original languageEnglish
Pages (from-to)199-203
Number of pages5
JournalIl Nuovo Cimento A
Volume106
Issue number2
DOIs
StatePublished - Feb 1993

Keywords

  • Field theory
  • Miscellaneous theoretical ideas and models

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