Thermal gravitational radiation of Fermi gases and Fermi liquids

Details Thermal gravitational radiation of Fermi gases and Fermi liquids Thermal gravitational radiation of Fermi gases and Fermi liquids

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983phrvd..27.2864s&link_type=abstract

Physical Review D (Particles and Fields), Volume 27, Issue 12, 15 June 1983, pp.2864-2871

Computer Science

Sound

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Scientific paper

In view of neutron stars the gravitational radiation power of the thermal "zero-sound" phonons of a Fermi liquid and the gravitational bremsstrahlung of a degenerate Fermi gas is calculated on the basis of a hard-sphere Fermi particle model. We find for the gravitational radiation power per unit volume P(s)~=[(9π)135]GQn53(kT)4ℏ2c5 and P(g)~=(4553)(3π)23 Ga2n53(kT)4ℏ2c5 for the cases of "zero sound" and bremsstrahlung, respectively. Here Q=4πa2 is the total cross section of the hard-sphere fermions, where a represents the radius of their hard-core potential. The application to very young neutron stars results in a total gravitational luminosity of about 1031 erg/sec.

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