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An anomalous propulsion mechanism

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Mar 2018Embargo end date: 01 Jan 2014 English Publisher:Elsevier BVJournal:Nuclear Physics B, volume 928, pages 268-278 (issn: 0550-3213,

Authors: Evgeny Shaverin; Amos Yarom;

doi: 10.1016/j.nuclphysb.2018.01.020 , 10.48550/arxiv.1411.5581

arXiv: http://arxiv.org/abs/1411.5581

An anomalous propulsion mechanism

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Abstract

We consider a gas of free chiral fermions trapped inside a uniform rotating spherical shell. Once the shell becomes transparent the fermions are emitted along the axis of rotation due to the chiral and mixed anomaly. In return, owing to momentum conservation, the shell is propelled forward. We study the dependence of the magnitude of this effect on the shell parameters in a controlled setting and find that it is sensitive to the formation of an ergosphere around the rotating shell. A brief discussion on a possible relation to pulsar kicks is provided.

13 pages

Related Organizations

Technion – Israel Institute of Technology
Israel

Keywords

High Energy Physics - Theory, Nuclear Theory (nucl-th), Nuclear Theory, High Energy Physics - Theory (hep-th), Nuclear and particle physics. Atomic energy. Radioactivity, FOS: Physical sciences, QC770-798

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