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Kahniashvili, Tina and Vachaspati, Tanmay (2006) Detection of magnetic helicity. Physical Review D, 73.
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Abstract
Magnetic fields in various astrophysical settings may be helical and, in the cosmological context, may provide a measure of primordial CP violation during baryogenesis. Yet it is difficult, even in principle, to devise a scheme by which magnetic helicity may be detected, except in some very special systems. We propose that charged cosmic rays originating from known sources may be useful for this purpose. We show that the correlator of the arrival momenta of the cosmic rays is sensitive to the helicity of an intervening magnetic field. If the sources themselves are not known, the method may still be useful provided we have some knowledge of their spatial distribution.
| Item Type: | Article |
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| Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
| Depositing User: | Prof. Tina Kahniashvili |
| Date Deposited: | 29 Jan 2014 19:48 |
| Last Modified: | 27 Mar 2015 07:01 |
| URI: | http://eprints.iliauni.edu.ge/id/eprint/743 |
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