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Article: Properties of nuclei in the inner crusts of neutron stars in the relativistic mean-field theory

TitleProperties of nuclei in the inner crusts of neutron stars in the relativistic mean-field theory
Authors
KeywordsPhysics
Nuclear physics
Issue Date1997
PublisherAmerican Physical Society. The Journal's web site is located at http://prc.aps.org
Citation
Physical Review C - Nuclear Physics, 1997, v. 55 n. 4, p. 2092-2100 How to Cite?
AbstractWe study the properties of nuclei in the inner crusts of neutron stars based on the Boguta-Bodmer nonlinear model in the relativistic mean-field theory. We carefully determine the surface diffuseness of the nuclei as the density of matter increases. The imaginary time step method is used to solve the Euler-Lagrange equation derived from the variational principle applied to the semiclassical energy density. It is shown that with increasing density, the spherical nuclei become more neutron rich and eventually merge to form a uniform liquid of neutrons, protons, and electrons. We find that the smaller the value of the incompressibility K, the lower the density at which the phase transition to uniform matter occurs. The relativistic extended Thomas-Fermi method is generalized to investigate nonspherical nuclei. Our results show that the spherical nucleus phase is the only equilibrium state in the inner crusts of neutron stars.
Persistent Identifierhttp://hdl.handle.net/10722/43201
ISSN
2014 Impact Factor: 3.733
2015 SCImago Journal Rankings: 1.601
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorCheng, KSen_HK
dc.contributor.authorYao, CCen_HK
dc.contributor.authorDai, ZGen_HK
dc.date.accessioned2007-03-23T04:41:11Z-
dc.date.available2007-03-23T04:41:11Z-
dc.date.issued1997en_HK
dc.identifier.citationPhysical Review C - Nuclear Physics, 1997, v. 55 n. 4, p. 2092-2100en_HK
dc.identifier.issn0556-2813en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43201-
dc.description.abstractWe study the properties of nuclei in the inner crusts of neutron stars based on the Boguta-Bodmer nonlinear model in the relativistic mean-field theory. We carefully determine the surface diffuseness of the nuclei as the density of matter increases. The imaginary time step method is used to solve the Euler-Lagrange equation derived from the variational principle applied to the semiclassical energy density. It is shown that with increasing density, the spherical nuclei become more neutron rich and eventually merge to form a uniform liquid of neutrons, protons, and electrons. We find that the smaller the value of the incompressibility K, the lower the density at which the phase transition to uniform matter occurs. The relativistic extended Thomas-Fermi method is generalized to investigate nonspherical nuclei. Our results show that the spherical nucleus phase is the only equilibrium state in the inner crusts of neutron stars.en_HK
dc.format.extent172605 bytes-
dc.format.extent12158 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prc.aps.orgen_HK
dc.relation.ispartofPhysical Review C - Nuclear Physicsen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPhysical Review C (Nuclear Physics). Copyright © American Physical Society.en_HK
dc.subjectPhysicsen_HK
dc.subjectNuclear physicsen_HK
dc.titleProperties of nuclei in the inner crusts of neutron stars in the relativistic mean-field theoryen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0556-2813&volume=55&issue=4&spage=2092&epage=2100&date=1997&atitle=Properties+of+nuclei+in+the+inner+crusts+of+neutron+stars+in+the+relativistic+mean-field+theoryen_HK
dc.identifier.emailCheng, KS: hrspksc@hkucc.hku.hken_HK
dc.identifier.authorityCheng, KS=rp00675en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevC.55.2092en_HK
dc.identifier.scopuseid_2-s2.0-0031505668en_HK
dc.identifier.hkuros22619-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031505668&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume55en_HK
dc.identifier.issue4en_HK
dc.identifier.spage2092en_HK
dc.identifier.epage2100en_HK
dc.identifier.isiWOS:A1997WV24000054-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridCheng, KS=9745798500en_HK
dc.identifier.scopusauthoridYao, CC=7201495781en_HK
dc.identifier.scopusauthoridDai, ZG=7201387760en_HK

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