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Article: Structure of the electrospheres of bare strange stars

TitleStructure of the electrospheres of bare strange stars
Authors
KeywordsDense matter
Elementary particles
Stars: neutron
Issue Date2005
PublisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205
Citation
Astrophysical Journal Letters, 2005, v. 620 n. 2 I, p. 915-921 How to Cite?
AbstractWe consider a thin (∼ 10 2∼-10 3 fin) layer of electrons (the electrosphere) at the quark surface of a bare strange star, taking into account the surface effects at the boundary with the vacuum. The quark surface holds the electron layer by an extremely strong electric field, generated in the electrosphere to prevent the electrons from escaping to infinity by counterbalancing the degeneracy and thermal pressure. Because of the surface tension and depletion of s quarks a very thin (a few fm) charged layer of quarks forms at the surface of the star. The formation of this layer modifies the structure of the electrosphere by significantly changing the electric field and the density of the electrons, in comparison with the case in which the surface effects are ignored. Some consequences of the modification of the electrosphere structure on the properties of strange stars are briefly discussed. © 2005. The American Astronomical Society. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/43467
ISSN
2015 Impact Factor: 5.487
2015 SCImago Journal Rankings: 3.369
ISI Accession Number ID
References

 

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dc.contributor.authorUsov, VVen_HK
dc.contributor.authorHarko, Ten_HK
dc.contributor.authorCheng, KSen_HK
dc.date.accessioned2007-03-23T04:46:15Z-
dc.date.available2007-03-23T04:46:15Z-
dc.date.issued2005en_HK
dc.identifier.citationAstrophysical Journal Letters, 2005, v. 620 n. 2 I, p. 915-921en_HK
dc.identifier.issn2041-8205en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43467-
dc.description.abstractWe consider a thin (∼ 10 2∼-10 3 fin) layer of electrons (the electrosphere) at the quark surface of a bare strange star, taking into account the surface effects at the boundary with the vacuum. The quark surface holds the electron layer by an extremely strong electric field, generated in the electrosphere to prevent the electrons from escaping to infinity by counterbalancing the degeneracy and thermal pressure. Because of the surface tension and depletion of s quarks a very thin (a few fm) charged layer of quarks forms at the surface of the star. The formation of this layer modifies the structure of the electrosphere by significantly changing the electric field and the density of the electrons, in comparison with the case in which the surface effects are ignored. Some consequences of the modification of the electrosphere structure on the properties of strange stars are briefly discussed. © 2005. The American Astronomical Society. All rights reserved.en_HK
dc.format.extent188016 bytes-
dc.format.extent122136 bytes-
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dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205en_HK
dc.relation.ispartofAstrophysical Journal Lettersen_HK
dc.rightsThe Astrophysical Journal. Copyright © University of Chicago Press.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectDense matteren_HK
dc.subjectElementary particlesen_HK
dc.subjectStars: neutronen_HK
dc.titleStructure of the electrospheres of bare strange starsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0004-637X&volume=620&issue=2 pt 1&spage=915&epage=921&date=2005&atitle=Structure+of+the+Electrospheres+of+Bare+Strange+Starsen_HK
dc.identifier.emailHarko, T: harko@hkucc.hku.hken_HK
dc.identifier.emailCheng, KS: hrspksc@hkucc.hku.hken_HK
dc.identifier.authorityHarko, T=rp01333en_HK
dc.identifier.authorityCheng, KS=rp00675en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1086/427074en_HK
dc.identifier.scopuseid_2-s2.0-17044388618en_HK
dc.identifier.hkuros97627-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-17044388618&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume620en_HK
dc.identifier.issue2 Ien_HK
dc.identifier.spage915en_HK
dc.identifier.epage921en_HK
dc.identifier.isiWOS:000227405800030-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridUsov, VV=7006372675en_HK
dc.identifier.scopusauthoridHarko, T=7006485783en_HK
dc.identifier.scopusauthoridCheng, KS=9745798500en_HK

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