Comparisons between Ground-based, Artifical "Pulsars” and Data from the Parkes Multibeam Survey

Details Comparisons between Ground-based, Artifical "Pulsars” and Data from the Parkes Multibeam Survey Comparisons between Ground-based, Artifical "Pulsars” and Data from the Parkes Multibeam Survey

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21723406s&link_type=abstract

American Astronomical Society, AAS Meeting #217, #234.06; Bulletin of the American Astronomical Society, Vol. 43, 2011

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Scientific paper

In a number of recent papers, we have invoked superluminal (faster than light in vacuo) polarization currents as the dominant mechanism for the pulsar emissions that are observable from Earth. Unlike electrons, which possess rest mass and are therefore limited to speeds less than that of light, polarization currents may travel arbitrarily fast, because the displacements of the negative and positive particles that make them up are rather small. We have shown that the characteristic emission from these currents, which are driven by the pulsar's rotating magnetic field, is able to account for the spectra of the Crab and 8 other pulsars over 16-18 orders of magnitude of frequency with a minimum of adjustable parameters. In this presentation, we will review data from ground-based experiments with superluminal polarization currents, in effect, artificial pulsars. These are shown to emit "beams” that sharpen with increasing distance, and whose intensity decreases more slowly with distance than the inverse-square law. A Maximum-Likelihood analysis of data from about 500 pulsars in the Parkes Multi-Beam Survey demonstrates that real pulsars behave in an analogous way, providing very strong support for the superluminal model.

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