# An example relevant to the Kretschmann-Einstein debate

Sorkin, Rafael (2002) An example relevant to the Kretschmann-Einstein debate. [Preprint]

## Abstract

We cast the flat space theory of a scalar field in generally covariant form by introducing an auxiliary field $\lambda$. The resulting theory is couched in terms of an action integral $S$, and all the fields (the scalar, the spacetime metric, and $\lambda$) are dynamical in the sense of being varied freely in $S$. Conservation of energy-momentum emerges as a formal consequence of diffeomorphism invariance, in close analogy with the situation in ordinary general relativity.

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Item Type: Preprint Specific Sciences > Physics > Relativity Theory Kevin Davey 15 Feb 2002 07 Oct 2010 11:10 565 http://philsci-archive.pitt.edu/id/eprint/565