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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Strange star equation of state fits the refined mass measurement of 12 pulsars and predicts their radii
Monthly Notices of the Royal Astronomical Society, Volume 431, No. 4, Year 2013
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Description
There are three categories of stars whose masses have been found accurately in recent times: (1) two for which Shapiro delay is used, which is possible due to GR light bending as the partner is heavy - PSR J1614-2230 and PSR J1903+0327, (2) six eclipsing stars for which numerical Roche lobe geometry is used and (3) three stars for which spectroscopic methods are used and in fact for these three the mass and radii both are estimated. Motivated by large colour (Nc) expansion using a modified Richardson potential, along with density-dependent quark masses thereby allowing chiral symmetry restoration, we get compact strange stars fitting all the observed masses. © 2013 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society.
Authors & Co-Authors
Gangopadhyay, Taparati
India, Kolkata
Presidency University, Kolkata
Ray, Subharthi
South Africa, Durban
University of Kwazulu-natal
Li, Xiangdong
China, Nanjing
Nanjing University
Dey, Jishnu
India, Kolkata
Presidency University, Kolkata
India, Pune
Inter-university Centre for Astronomy and Astrophysics India
Dey, Mira
India, Kolkata
Presidency University, Kolkata
India, Pune
Inter-university Centre for Astronomy and Astrophysics India
Statistics
Citations: 183
Authors: 5
Affiliations: 4
Identifiers
Doi:
10.1093/mnras/stt401
ISSN:
00358711
e-ISSN:
13652966