Physics
Scientific paper
Jan 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994phrvd..49..611h&link_type=abstract
Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 49, Issue 2, 15 January 1994, pp.611-617
Physics
32
Elementary Particle Processes, Origin, Formation, And Abundances Of The Elements
Scientific paper
The quantum electrodynamic correction to the equation of state of a plasma at finite temperature is applied to the areas of solar physics and cosmology. A previously neglected, purely quantum term in the correction is found to change the equation of state in the solar core by -0.37%, which is roughly estimated to decrease the calculated high energy neutrino flux by about 2.2%. We also show that a previous calculation of the effect of this correction on big bang nucleosynthesis is incomplete, and we estimate the correction to the primordial helium abundance Y to be ΔY=1.4×10-4. A physical explanation for the correction is found in terms of corrections to the dispersion relation of the electron, positron, and photon.
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