Disruption of Supernovae and would-be "Direct Collapsars"
John Middleditch (University of California, retired)

TL;DR
This paper proposes a mechanism where supernovae are disrupted by focused electromagnetic beams generated during core collapse, affecting their luminosity and challenging their use as standard candles for cosmology.
Contribution
It introduces a novel electromagnetic disruption mechanism for supernovae, impacting their luminosity and questioning their role in precision cosmology.
Findings
Supernova luminosity is significantly affected by electromagnetic beams from core collapse.
The mechanism explains variability in supernova brightness and challenges their use as standard candles.
It predicts observable signatures months before core collapse.
Abstract
The speed of an intensity pattern of polarization currents on a circle, induced within a star by its rotating, magnetized core, will exceed the speed of light for a sufficiently large star, and/or rapid rotation, and will, in turn, generate focused electromagnetic beams which disrupt them. Upon core collapse within such a star, the emergence of these beams will concentrate near the two rotational poles, driving jets of matter into material previously ejected via the same excitation mechanism acting through the pre-core-collapse rotation of its magnetized stellar core(s). This interpenetration of material, light-days in extent from the progenitor, produces a significant fraction of the total supernova luminosity, and the magnitude and time of maximum of this contribution both vary with the progenitor's rotational orientation. The net effect is to render supernovae unusable as standard…
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Taxonomy
TopicsGamma-ray bursts and supernovae · Astronomy and Astrophysical Research · Solar and Space Plasma Dynamics
