Fermion families and long-range force problems: Interrelation and resolution

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We study a generally covariant model with SSB of scale invariance where two measures of integration in the action enter: the standard √d4x and a new φd4x, where φ is a density built out of degrees of freedom independent of the metric. Under normal laboratory conditions where the fermionic matter dominates, it is found that starting from a single fermionic field we obtain exactly three different types of spin 1/2 particles which can be identified with known fermion families. It is automatically achieved that for two of them, fermion masses are constants, the energy-momentum tensor is canonical and the "fifth force" is absent. For the third family, a self-interaction appears as a result of SSB of scale invariance.

Original languageEnglish
Pages (from-to)1591-1595
Number of pages5
JournalInternational Journal of Modern Physics D
Issue number10
StatePublished - 1 Dec 2002

ASJC Scopus subject areas

  • Mathematical Physics
  • Astronomy and Astrophysics
  • Space and Planetary Science


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