Spin 2 in 2+1 dimensions
Pio J. Arias (Universidad Central de Venezuela)
TL;DR
This paper analyzes various models describing spin 1 and 2 massive excitations in 2+1 dimensions, exploring their equivalences, analogies, and phenomena like spontaneous symmetry breaking and anyonic behavior, including a novel massive gravity model.
Contribution
It introduces a diffeomorphism-invariant massive gravity model in 2+1 dimensions that is not Lorentz invariant and compares different spin models for their equivalences and analogies.
Findings
Models of the same spin are equivalent.
Models of different spins show analogies.
A new massive gravity model is proposed.
Abstract
The distinct models that describe spin 1 and 2 massive excitations in 2+1 dimensions are analized, showing their equivalence (between models of same spin) and analogies (between models of different spin). Topics as spontaneous symmetry breaking and anyonic behaviour, in these models, are analized. A massive gravity model is introduced. This model is diffeomophism invariant, but it is not Lorentz invariant.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Black Holes and Theoretical Physics · Dark Matter and Cosmic Phenomena