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Superdense neutron matterA relativistic theory of high-density matter is presented which takes into account the short-range interaction due to the exchange of spin-2 mesons. An equation of state is derived and used to compute neutron-star properties. The prediction of the theory for the values of maximum mass and moment of inertia for a stable neutron star are 1.75 solar masses and 1.68 by 10 to the 45th power g-sq cm, in very good agreement with the presently known observational bounds. The corresponding radius is found to be 10.7 km. It is found that the inclusion of the spin-2 interaction reduces the disagreement between the relativistic and nonrelativistic theories in their predictions of masses and moments of inertia.
Document ID
19780047193
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Canuto, V.
(NASA Goddard Institute for Space Studies; City College New York, N.Y., United States)
Datta, B.
(City College New York, N.Y., United States)
Kalman, G.
(Boston College Chestnut Hills, Mass., United States)
Date Acquired
August 9, 2013
Publication Date
April 1, 1978
Publication Information
Publication: Astrophysical Journal
Subject Category
Astrophysics
Accession Number
78A31102
Distribution Limits
Public
Copyright
Other

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