Poincaré Gauge Theory for Gravitational Forces in (1+1) Dimensions
Daniel Cangemi, Roman Jackiw
Abstract
We discuss in detail how string-inspired lineal gravity can be formulated as a gauge theory based on the centrally extended Poincaré group in (1+1) dimensions. Matter couplings are constructed in a gauge invariant fashion, both for point particles and Fermi fields. A covariant tensor notation is developed in which gauge invariance of the formalism is manifest.
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