No GW is emitted by B PSR1913+16
A. Loinger (Dipartimento di Fisica, Universita' di Milano, Italy)
TL;DR
This paper argues that in exact general relativity, binary pulsar B PSR1913+16 does not emit gravitational waves, suggesting alternative explanations for its orbital period change.
Contribution
It provides a non-linear GR analysis showing no gravitational wave emission from binary systems, challenging previous interpretations.
Findings
No gravitational waves are emitted by B PSR1913+16 in exact GR
Orbital period changes may be due to viscous losses, not GW emission
Challenges standard gravitational wave emission models for binary pulsars
Abstract
In the exact (non-linear) formulation of general relativity (GR) no motion of bodies can give origin to gravitational waves (GW's) - as it has been proved. Accordingly, the measured rate of change of the orbital period of binary pulsar B PSR1913+16 must have other causes, different from the emission of GW's; maybe the viscous losses of the unseen pulsar companion, if it were e.g. a helium star.
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Taxonomy
TopicsPulsars and Gravitational Waves Research · Geophysics and Gravity Measurements · Astro and Planetary Science