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Article: Properties of nuclei in the inner crusts of neutron stars in the relativistic mean-field theory
Title | Properties of nuclei in the inner crusts of neutron stars in the relativistic mean-field theory |
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Authors | |
Keywords | Physics Nuclear physics |
Issue Date | 1997 |
Publisher | American 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? |
Abstract | We 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 Identifier | http://hdl.handle.net/10722/43201 |
ISSN | 2014 Impact Factor: 3.733 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Cheng, KS | en_HK |
dc.contributor.author | Yao, CC | en_HK |
dc.contributor.author | Dai, ZG | en_HK |
dc.date.accessioned | 2007-03-23T04:41:11Z | - |
dc.date.available | 2007-03-23T04:41:11Z | - |
dc.date.issued | 1997 | en_HK |
dc.identifier.citation | Physical Review C (Nuclear Physics), 1997, v. 55 n. 4, p. 2092-2100 | - |
dc.identifier.issn | 0556-2813 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/43201 | - |
dc.description.abstract | We 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.extent | 172605 bytes | - |
dc.format.extent | 12158 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | text/plain | - |
dc.language | eng | en_HK |
dc.publisher | American Physical Society. The Journal's web site is located at http://prc.aps.org | en_HK |
dc.relation.ispartof | Physical Review C (Nuclear Physics) | - |
dc.rights | Copyright 1997 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevC.55.2092 | - |
dc.subject | Physics | en_HK |
dc.subject | Nuclear physics | en_HK |
dc.title | Properties of nuclei in the inner crusts of neutron stars in the relativistic mean-field theory | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://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+theory | en_HK |
dc.identifier.email | Cheng, KS: hrspksc@hkucc.hku.hk | en_HK |
dc.identifier.authority | Cheng, KS=rp00675 | en_HK |
dc.description.nature | published_or_final_version | en_HK |
dc.identifier.doi | 10.1103/PhysRevC.55.2092 | en_HK |
dc.identifier.scopus | eid_2-s2.0-0031505668 | en_HK |
dc.identifier.hkuros | 22619 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0031505668&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 55 | en_HK |
dc.identifier.issue | 4 | en_HK |
dc.identifier.spage | 2092 | en_HK |
dc.identifier.epage | 2100 | en_HK |
dc.identifier.isi | WOS:A1997WV24000054 | - |
dc.publisher.place | United States | en_HK |
dc.identifier.scopusauthorid | Cheng, KS=9745798500 | en_HK |
dc.identifier.scopusauthorid | Yao, CC=7201495781 | en_HK |
dc.identifier.scopusauthorid | Dai, ZG=7201387760 | en_HK |
dc.identifier.issnl | 0556-2813 | - |