Curiel, Erik (2014) On Geometric Objects, the Non-Existence of a Gravitational Stress-Energy Tensor, and the Uniqueness of the Einstein Field Equation. [Preprint]

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Abstract

The question of the existence of gravitational stress-energy in
general relativity has exercised investigators in the field since
the inception of the theory. Folklore has it that no adequate
definition of a localized gravitational stress-energetic quantity
can be given. Most arguments to that effect invoke one version or
another of the Principle of Equivalence. I argue that not only are
such arguments of necessity vague and hand-waving but, worse, are
beside the point and do not address the heart of the issue. Based
on a novel analysis of what it may mean for one tensor to depend in
the proper way on another, which, en passant, provides a
precise characterization of the idea of a "geometric object", I
prove that, under certain natural conditions, there can be no tensor
whose interpretation could be that it represents gravitational
stress-energy in general relativity. It follows that gravitational
energy, such as it is in general relativity, is necessarily
non-local. Along the way, I prove a result of some interest in own
right about the structure of the associated jet bundles of the
bundle of Lorentz metrics over spacetime. I conclude by showing
that my results also imply that, under a few natural conditions, the
Einstein field equation is the unique equation relating
gravitational phenomena to spatiotemporal structure, and discuss how
this relates to the non-localizability of gravitational
stress-energy.

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Item Type:	Preprint
Creators:	Creators Email ORCID Curiel, Erik erik@strangebeautiful.com
Keywords:	gravitational energy; stress-energy tensors; concomitants; jet bundles; principle of equivalence; geometric objects; Einstein field equation
Subjects:	Specific Sciences > Physics > Classical Physics Specific Sciences > Physics > Fields and Particles Specific Sciences > Physics > Relativity Theory
Depositing User:	Dr. Erik Curiel
Date Deposited:	30 Aug 2014 00:20
Last Modified:	30 Aug 2014 00:20
Item ID:	10985
Official URL:	http://strangebeautiful.com/papers/curiel-nonexist...
Subjects:	Specific Sciences > Physics > Classical Physics Specific Sciences > Physics > Fields and Particles Specific Sciences > Physics > Relativity Theory
Date:	August 2014
URI:	https://philsci-archive.pitt.edu/id/eprint/10985

Available Versions of this Item

• On Geometric Objects, the Non-Existence of a Gravitational Stress-Energy Tensor, and the Uniqueness of the Einstein Field Equation. (deposited 30 Aug 2014 00:20) [Currently Displayed]
  • On Geometric Objects, the Non-Existence of a Gravitational Stress-Energy Tensor, and the Uniqueness of the Einstein Field Equation. (deposited 29 Aug 2018 00:03)

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