Journal of Modern Physics

Volume 2, Issue 5 (May 2011)

ISSN Print: 2153-1196   ISSN Online: 2153-120X

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Can a Massive Graviton be a Stable Particle

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DOI: 10.4236/jmp.2011.25043    6,056 Downloads   9,708 Views  Citations
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ABSTRACT

This document is based on a question asked in the Dark Side of the Universe 2010 conference in Leon, Mexico, when a researcher from India asked the author about how to obtain a stability analysis of massive gravitons. The answer to this question involves an extension of the usual Pauli_Fiertz Langrangian as written by Ortin, with non- zero graviton mass contributing to a relationship between the trace of a revised GR stress-energy tensor (assuming non- zero graviton mass), and the trace of a revised symmetric tensor times a tiny mass for a 4 dimensional graviton. The resulting analysis makes use of Visser’s treatment of a stress en-ergy tensor, with experimental applications discussed in the resulting analysis. If the square of frequency of a massive graviton is real valued and greater than zero, stability can be possibly confirmed experimentally.

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A. Beckwith, "Can a Massive Graviton be a Stable Particle," Journal of Modern Physics, Vol. 2 No. 5, 2011, pp. 350-353. doi: 10.4236/jmp.2011.25043.

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