Search for semiclassical-gravity effects in relativistic stars

Details Search for semiclassical-gravity effects in relativistic stars Search for semiclassical-gravity effects in relativistic stars

1999-05-25

arxiv.org/abs/gr-qc/9905096v1

Phys.Rev. D61 (2000) 127303

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages (REVTEX)

Scientific paper

10.1103/PhysRevD.61.127303

We discuss the possible influence of gravity in the neutronization process, $p^+ e^- \to n \nu_e$, which is particularly important as a cooling mechanism of neutron stars. Our approach is semiclassical in the sense that leptonic fields are quantized on a classical background spacetime, while neutrons and protons are treated as excited and unexcited nucleon states, respectively. We expect gravity to have some influence wherever the energy content carried by the in-state is barely above the neutron mass. In this case the emitted neutrinos would be soft enough to have a wavelength of the same order as the space curvature radius.

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