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Primordial Magnetic Fields, Right Electrons, and the Abelian Anomaly
Open accessAbstract
In the standard model there are charges with Abelian anomaly only (e.g., right-handed electron number) which are effectively conserved in the early Universe until some time shortly before the electroweak scale. A state at finite chemical potential of such a charge, possibly arising due to asymmetries produced at the grand unified theory scale, is unstable to the generation of hypercharge magnetic field. Quite large magnetic fields ( $\ensuremath{\sim}{10}^{22}$ G at $T\ensuremath{\sim}100$ GeV with typical inhomogeneity scale $\ensuremath{\sim}\frac{{10}^{6}}{T}$) can be generated. These fields may be of cosmological interest, potentially acting as seeds for amplification to larger scale magnetic fields through nonlinear mechanisms. Previously derived bounds on exotic $B\ensuremath{-}L$ violating operators may also be evaded.
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Citations
Cites
On anomalous electroweak baryon-number non-conservation in the early universe
Kuzmin, V. A., Rubakov, V. A., & Shaposhnikov, M. E. (1985) · Physics Letters B · doi:10.1016/0370-2693(85)91028-7 · Cited by 3,008
Self-citation
Cited by
Particle dark matter: evidence, candidates and constraints
Bertone, G., Hooper, D., & Silk, J. (2005) · Physics Reports · doi:10.1016/j.physrep.2004.08.031 · Cited by 4,979
The Universe in a Helium Droplet
Volovik, G. E. (2009) · doi:10.1093/acprof:oso/9780199564842.001.0001 · Cited by 2,632
Chiral magnetic effect in ZrTe5
Li, Q., Kharzeev, D. E., Zhang, C., Huang, Y., Pletikosić, I., Fedorov, A. V., Zhong, R. D., Schneeloch, J. A., Gu, G. D., & Valla, T. (2016) · Nature Physics · doi:10.1038/nphys3648 · Cited by 1,048
Cosmological Magnetic Field Limits in an Inhomogeneous Universe
Blasi, P., Burles, S., & Olinto, A. V. (1999) · The Astrophysical Journal · doi:10.1086/311958 · Cited by 263
Metadata
- Authors
- Joyce, M., & Shaposhnikov, M.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1997-08-18
- Volume
- 79
- Issue
- 7
- Pages
- 1193-1196
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2132062610
- Cited by
- 436
- References
- 1
- FWCI
- 10.45
- Type
- journal article
- Language
- en
- Open access
- green
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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