Scale Symmetry Spontaneously Broken by Asymptotic Behavior

Details Scale Symmetry Spontaneously Broken by Asymptotic Behavior Scale Symmetry Spontaneously Broken by Asymptotic Behavior

1999-06-07

arxiv.org/abs/gr-qc/9906025v1

Class.Quant.Grav. 17 (2000) 361-372

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Scientific paper

10.1088/0264-9381/17/2/307

Conserved quantities are obtained and analyzed in the new models with global scale invariance recently proposed. Such models allow for non tivial scalar field potentials and masses for particles, so that the scale symmetry must be broken somehow. We get to this conclusion by showing that the infrared behavior of the conserved currents is singular so that there are no conserved charges associated with the global scale symmetry. The scale symmetry plays nevertheless a crucial role in determining the structure of the theory and it implies that in some high field regions the potentials become flat.

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