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Possible avoidance of a no-go theorem for glueballs in an effective-action model of QCD

Journal Article · · Physical Review, D (Particles Fields); (USA)
 [1];  [2]
  1. Department of Applied Mathematics, The University of Western Ontario, London, Ontario, Canada N6A 5B9 (CA)
  2. Center for Theoretical Physics, Laboratory for Nuclear Science Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 (USA)
Sum rules are derived from a variational method applied to a renormalization-group-improved effective action of QCD. These sum rules extend an earlier no-go theorem for static glueball solutions in three spatial dimensions, but indicate that the recently proposed possibility of a finite discontinuity in the nonlinear dielectric function may be a viable way of avoiding this no-go theorem. However, these sum rules preclude the possibility of purely electric'' ({bold B}{sup {ital a}}==0) solutions.
OSTI ID:
7165622
Journal Information:
Physical Review, D (Particles Fields); (USA), Journal Name: Physical Review, D (Particles Fields); (USA) Vol. 40:12; ISSN 0556-2821; ISSN PRVDA
Country of Publication:
United States
Language:
English