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arXiv · 1707.04172

Generalized Rainich conditions, generalized stress-energy conditions, and the Hawking-Ellis classification

Prado Martín-Moruno·Matt Visser
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Abstract

The (generalized) Rainich conditions are algebraic conditions which are polynomial in the (mixed-component) stress-energy tensor. As such they are logically distinct from the usual classical energy conditions (NEC, WEC, SEC, DEC), and logically distinct from the usual Hawking-Ellis (Segré-Plebański) classification of stress-energy tensors (type I, type II, type III, type IV). There will of course be significant inter-connections between these classification schemes, which we explore in the current article. Overall, we shall argue that it is best to view the (generalized) Rainich conditions as a refinement of the classical energy conditions and the usual Hawking-Ellis classification.

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Prado Martín-Moruno, Matt Visser. 2017-11-28. Generalized Rainich conditions, generalized stress-energy conditions, and the Hawking-Ellis classification. https://doi.org/10.1088/1361-6382%2Faa9039

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