Gravitational chirality as the genesis of astrophysical jets

Tucker, Robin William and Walton, Timothy James (2017) Gravitational chirality as the genesis of astrophysical jets. Classical and Quantum Gravity, 34 (3): 035005. ISSN 0264-9381

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Abstract

It has been suggested that single and double jets observed emanating from certain astrophysical objects may have a purely gravitational origin. We discuss new classes of plane-fronted and pulsed gravitational wave solutions to the equation for perturbations of Ricci-flat spacetimes around Minkowski metrics, as models for the genesis of such phenomena. These solutions are classified in terms of their chirality and generate a family of non-stationary spacetime metrics. Particular members of these families are used as backgrounds in analysing time-like solutions to the geodesic equation for test particles. They are found numerically to exhibit both single and double jet-like features with dimensionless aspect ratios suggesting that it may be profitable to include such backgrounds in simulations of astrophysical jet dynamics from rotating accretion discs involving electromagnetic fields.

Item Type:
Journal Article
Journal or Publication Title:
Classical and Quantum Gravity
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3101
Subjects:
?? physics and astronomy (miscellaneous) ??
ID Code:
83588
Deposited By:
Deposited On:
13 Dec 2016 11:04
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Jul 2024 16:40