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Ryu, Dongsu
Astrophysics Lab
Research Interests
  • Shock waves and turbulence in clusters of galaxies
  • Origin and evolution of magnetic fields and cosmic rays in the universe
  • Plasma astrophysical phenomena in the large-scale structure of the universe

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The First Magnetic Fields

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dc.contributor.author Widrow, Lawrence M. ko
dc.contributor.author Ryu, Dongsu ko
dc.contributor.author Schleicher, Dominik R. G. ko
dc.contributor.author Subramanian, Kandaswamy ko
dc.contributor.author Tsagas, Christos G. ko
dc.contributor.author Treumann, Rudolf A. ko
dc.date.available 2014-09-16T06:56:54Z -
dc.date.created 2014-09-15 ko
dc.date.issued 2012-05 -
dc.identifier.citation SPACE SCIENCE REVIEWS, v.166, no.1-4, pp.37 - 70 ko
dc.identifier.issn 0038-6308 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/6028 -
dc.identifier.uri http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84860755407 ko
dc.description.abstract We review current ideas on the origin of galactic and extragalactic magnetic fields. We begin by summarizing observations of magnetic fields at cosmological redshifts and on cosmological scales. These observations translate into constraints on the strength and scale magnetic fields must have during the early stages of galaxy formation in order to seed the galactic dynamo. We examine mechanisms for the generation of magnetic fields that operate prior during inflation and during subsequent phase transitions such as electroweak symmetry breaking and the quark-hadron phase transition. The implications of strong primordial magnetic fields for the reionization epoch as well as the first generation of stars are discussed in detail. The exotic, early-Universe mechanisms are contrasted with astrophysical processes that generate fields after recombination. For example, a Biermann-type battery can operate in a proto-galaxy during the early stages of structure formation. Moreover, magnetic fields in either an early generation of stars or active galactic nuclei can be dispersed into the intergalactic medium. ko
dc.description.statementofresponsibility close -
dc.language ENG ko
dc.publisher SPRINGER ko
dc.subject Early Universe ko
dc.subject Inflation ko
dc.subject Magnetic fields ko
dc.subject Quark-hadron transition ko
dc.title The First Magnetic Fields ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84860755407 ko
dc.identifier.wosid 000303862200002 ko
dc.type.rims ART ko
dc.description.wostc 47 *
dc.description.scopustc 36 *
dc.date.tcdate 2015-05-06 *
dc.date.scptcdate 2014-09-15 *
dc.identifier.doi 10.1007/s11214-011-9833-5 ko
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