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Have neutron stars a dark matter core?
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.ORCID iD: 0000-0001-5662-825X
2011 (English)In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 695, no 1-4, p. 19-21Article in journal (Refereed) Published
Abstract [en]

Recent observational results for the masses and radii of some neutron stars are in contrast with typical observations and theoretical predictions for "normal" neutron stars. We propose that their unusual properties can be interpreted as the signature of a dark matter core inside them. This interpretation requires that the dark matter is made of some form of stable, long-living or in general non-annihilating particles, that can accumulate in the star (Sandin and Ciarcelluti (2009). In the proposed scenario all mass-radius measurements can be explained with one nuclear matter equation of state and a dark core of varying relative size. This hypothesis will be challenged by forthcoming observations and could eventually be a useful tool for the determination of dark matter.

Place, publisher, year, edition, pages
2011. Vol. 695, no 1-4, p. 19-21
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Industrial Electronics
Identifiers
URN: urn:nbn:se:ltu:diva-4751DOI: 10.1016/j.physletb.2010.11.021ISI: 000286708700004Scopus ID: 2-s2.0-78650305164Local ID: 2bdb4500-f339-11df-8b36-000ea68e967bOAI: oai:DiVA.org:ltu-4751DiVA, id: diva2:977625
Note
Validerad; 2011; 20101118 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Sandin, Fredrik

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