An effective quantum mechanism for mass generation in diffeomorphism-invariant theories

Details An effective quantum mechanism for mass generation in diffeomorphism-invariant theories An effective quantum mechanism for mass generation in diffeomorphism-invariant theories

2002-02-19

arxiv.org/abs/hep-th/0202120v3

Mod.Phys.Lett. A17 (2002) 809-816

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, LaTeX, no figures; version accepted for publication in MPLA

Scientific paper

10.1142/S0217732302006941

We propose a scenario for particle-mass generation, assuming the existence of a physical regime where, firstly, physical particles can be considered as point-like objects moving in a background space-time and, secondly, their mere presence spoils the invariance under the local diffeomorphism group, resulting in an anomalous realization of the latter. Under these hypotheses, we describe mass generation starting from the massless free theory. The mechanism is not sensitive to the detailed description of the underlying theory at higher energies, leaning only on general structural features of it, specifically diffeomorphism invariance.

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