Towards new tests of strong-field gravity with measurements of surface atomic line, redshifts from neutron stars

Simon DeDeo, Dimitrios Psaltis

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Abstract

To date, studies of neutron stars have focused on better determining the equation of state, whose details are still debated. In this paper, it is argued that the uncertainty in the behavior of strong-field gravity introduces much greater differences in neutron-star properties than do current uncertainties in the neutron-star equations of state. Furthermore, it is shown that new observational developments allow for the measurement of the gravitational redshift of surface atomic lines, which is the cleanest source of information about the mass, radius, and spin of neutron stars.

Original languageEnglish (US)
Pages (from-to)141101/1-141101/4
JournalPhysical review letters
Volume90
Issue number14
StatePublished - Apr 11 2003

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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