Near-horizon Kerr magnetosphere
| dc.contributor.author | Gralla, Samuel E. | |
| dc.contributor.author | Lupsasca, Alexandru | |
| dc.contributor.author | Strominger, Andrew | |
| dc.date.accessioned | 2016-06-29T00:41:21Z | |
| dc.date.available | 2016-06-29T00:41:21Z | |
| dc.date.issued | 2016-05-23 | |
| dc.identifier.citation | Near-horizon Kerr magnetosphere 2016, 93 (10) Physical Review D | en |
| dc.identifier.issn | 2470-0010 | |
| dc.identifier.issn | 2470-0029 | |
| dc.identifier.doi | 10.1103/PhysRevD.93.104041 | |
| dc.identifier.uri | http://hdl.handle.net/10150/614950 | |
| dc.description.abstract | We exploit the near-horizon conformal symmetry of rapidly spinning black holes to determine universal properties of their magnetospheres. Analytic expressions are derived for the limiting form of the magnetosphere in the near-horizon region. The symmetry is shown to imply that the black hole Meissner effect holds for free Maxwell fields but is generically violated for force-free fields. We further show that in the extremal limit, near-horizon plasma particles are infinitely boosted relative to accretion flow. Active galactic nuclei powered by rapidly spinning black holes are therefore natural sites for high-energy particle collisions. | |
| dc.description.sponsorship | National Science Foundation [1205550, 1506027] | en |
| dc.language.iso | en | en |
| dc.publisher | AMER PHYSICAL SOC | en |
| dc.relation.url | http://link.aps.org/doi/10.1103/PhysRevD.93.104041 | en |
| dc.rights | © 2016 American Physical Society. | en |
| dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | |
| dc.title | Near-horizon Kerr magnetosphere | en |
| dc.type | Article | en |
| dc.contributor.department | Univ Arizona, Dept Phys | en |
| dc.identifier.journal | Physical Review D | en |
| dc.description.collectioninformation | This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu. | en |
| dc.eprint.version | Final published version | en |
| refterms.dateFOA | 2018-06-20T07:19:15Z | |
| html.description.abstract | We exploit the near-horizon conformal symmetry of rapidly spinning black holes to determine universal properties of their magnetospheres. Analytic expressions are derived for the limiting form of the magnetosphere in the near-horizon region. The symmetry is shown to imply that the black hole Meissner effect holds for free Maxwell fields but is generically violated for force-free fields. We further show that in the extremal limit, near-horizon plasma particles are infinitely boosted relative to accretion flow. Active galactic nuclei powered by rapidly spinning black holes are therefore natural sites for high-energy particle collisions. |
Files in this item
Name:
PhysRevD.93.104041.pdf
Size:
218.7Kb
Format:
PDF
Description:
Final Published Version