Physics
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002nmgm.meet..952c&link_type=abstract
"THE NINTH MARCEL GROSSMANN MEETING On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and R
Physics
Scientific paper
In the early years, Einstein8 and others had argued that in general relativity, energy could not be localized, that only global statements could be made. However, through the later years various researchers had argued that for static or stationary systems, the gravitational contribution to energy is localized within the regions of the energy-momentum tensor Tik. Following this, we1,2 hypothesized that this was the correct localization in generality. Significantly, this implied that gravitational waves would not be carriers of energy in vacuum, a seemingly untenable idea, contradicted by the well-known period change of the binary pulsar PSR 1913+16. However what we all had not recognized is that deductions from the pulsar period change presuppose a true understanding of the nature of energy localization in GR and that the impicit supposition was that GR energy localization mirrors the situation in electromagnetism. We have since then argued that there are essential differences between the two that ultimately led us to our very different localization hypothesis. Some of the ideas that brought us to the localization hypothesis follow below...
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