Mathematics – Logic
Scientific paper
Nov 1962
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1962phrv..128.1457w&link_type=abstract
Physical Review, vol. 128, Issue 3, pp. 1457-1473
Mathematics
Logic
65
Scientific paper
Modern cosmological theories imply that the universe is filled with a shallow degenerate Fermi sea of neutrinos. In the steady state and oscillating models (and perhaps also the "big bang" theories) it can be shown rigorously that the proportion of filled neutrino levels (plus the proportion of filled antineutrino levels) is precisely one up to a finite Fermi energy EF. The proof takes into account both absorption and the repressive effects of already filled levels on neutrino emission. Experiment shows that EF<=200 eV for antineutrinos and EF<=1000 eV for neutrinos. The degenerate neutrinos could be observed (if EF>10 eV) by looking for apparent violations of energy conservation in β- decay. In the steady state and evolutionary cosmologies EF is much too low to ever be observed, but in the oscillating cosmologies EF~=5Rc MeV, where Rc is the minimum radius of the universe in units of its present radius; thus experiment already shows that the universe will contract by a factor over 103, if at all. Astronomical evidence plus Einstein's field equation (without cosmological constant) require in an oscillating cosmology that EF<2×10-3 eV (so Rc<10-9) and suggest that higher energy neutrinos may represent the bulk of the energy of the universe. A model universe incorporating this idea is constructed.
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