Einstein Gravity in 2+1 Dimensions from a Gauge Model with Symmetry Breaking
R. Brooks, D. Cangemi, M. Crescimanno
Abstract
Einstein Gravity in 2+1 dimensions arises as a consequence of the equations of motion of a gauge model in an external metric. Newton's constant appears as an order parameter of a spontaneously broken discrete symmetry. Matter is coupled in a straightforward way.
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