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  Critical phenomena in the general spherically symmetric Einstein-Yang-Mills system

Maliborski, M., & Rinne, O. (2018). Critical phenomena in the general spherically symmetric Einstein-Yang-Mills system. Physical Review D, 97: 044053. doi:10.1103/PhysRevD.97.044053.

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Datensatz-Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-9AF4-5 Versions-Permalink: http://hdl.handle.net/21.11116/0000-0000-B9CF-7
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 Urheber:
Maliborski, Maciej1, Autor              
Rinne, Oliver1, Autor              
Affiliations:
1Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24012              

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Schlagwörter: General Relativity and Quantum Cosmology, gr-qc
 Zusammenfassung: We study critical behavior in gravitational collapse of a general spherically symmetric Yang-Mills field coupled to the Einstein equations. Unlike the magnetic ansatz used in previous numerical work, the general Yang-Mills connection has two degrees of freedom in spherical symmetry. This fact changes the phenomenology of critical collapse dramatically. The magnetic sector features both type I and type II critical collapse, with universal critical solutions. In contrast, in the general system type I disappears and the critical behavior at the threshold between dispersal and black hole formation is always type II. We obtain values of the mass scaling and echoing exponents close to those observed in the magnetic sector, however we find some indications that the critical solution differs from the purely magnetic discretely self-similar attractor and exact self-similarity and universality might be lost. The additional "type III" critical phenomenon in the magnetic sector, where black holes form on both sides of the threshold but the Yang-Mills potential is in different vacuum states and there is a mass gap, also disappears in the general system. We support our dynamical numerical simulations with calculations in linear perturbation theory; for instance, we compute quasi-normal modes of the unstable attractor (the Bartnik-McKinnon soliton) in type I collapse in the magnetic sector.

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 Datum: 2017-12-122018
 Publikationsstatus: Im Druck publiziert
 Seiten: 15 pages, 15 figures
 Ort, Verlag, Ausgabe: -
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 Identifikatoren: arXiv: 1712.04458
URI: http://arxiv.org/abs/1712.04458
DOI: 10.1103/PhysRevD.97.044053
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Titel: Physical Review D
  Andere : Phys. Rev. D.
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Lancaster, Pa. : American Physical Society
Seiten: - Band / Heft: 97 Artikelnummer: 044053 Start- / Endseite: - Identifikator: ISSN: 0556-2821
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111088197762258