A Relativistic Separable Potential to Describe Pairing in Nuclear Matter
B. Funke Haas, T. Frederico, B. V. Carlson, F. B. Guimarães
Abstract
Using the Dirac-Hartree-Fock-Bogoliubov approximation to study nuclear pairing, we have found the short-range correlations of the Dirac 1S0 pairing fields to be essentially identical to those of the two-nucleon virtual state at all values of the baryon density. We make use of this fact to develop a relativistic separable potential that correctly describes the pairing fields.
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