Superfluid ground state of neutron matter and other strongly interacting many-fermion systems

摘要: (Equation (6) should then be omitted.) There will an additional two-body contribution to the superfluid-state energy expectation value, but from all indications this is small. For one thing, it of higher order in (~ smallness parameter ~ : lf[]2(r)-1] dr] cluster expansion. Figure 1 replaced by given here. The caption remains unchanged, labels 1), 2), 3), 4) referring Ohmura potentials with hard-core radii e 0.0, 0.2, 0.4 and 0.6 fm, respectively. These potentials, incidentally, are ones which produce values r s 2.7 fm for singlet effective range. concluding sentences, beginning In equation e~ we set ... restated as follows: equations ek 2 A h 0 ; thus, usual normal-state Hartree-Fock expression (for found effective-mass representation adequate) becomes simply (14). gap was solved a self-consistency technique described detail elsewherc; suffice say that procedure adopted--~hich, course, leads isotropie function suitably accurate except possibly at highest densities. I t emphasized both /~ m* (effective mass) kF-dependent. At e, t~ Serber S-wave results A~ F vs. k basically same, former curve being slightly than latter, amount increases density. Only results--which susceptible (generally agreeable) comparison earlier calculations--are plotted. seen core radius increases, maximum value /l~ decreases closes lower kF, would expected physically. Ak symmetrical nuclear matter