Dirac Sea Contribution in Relativistic Random Phase Approximation
Nuclear Theory
2009-11-10 v4
Abstract
In the hadrodynamics (QHD) there are two methods to take account of the contribution of negative-energy states in the relativistic random phase approximation (RRPA). Dawson and Furnstahl made the ansatz that the Dirac sea were empty, while according to the Dirac hole theory the sea should be fully occupied. The two methods seem contradictory. Their close relationship and compatibility are explored and in particular the question of the ground-state (GS) instability resulting from Dawson-Furnstanhl's ansatz is discussed.
Cite
@article{arxiv.nucl-th/0312095,
title = {Dirac Sea Contribution in Relativistic Random Phase Approximation},
author = {S. S. Wu and H. X. Zhang and Y. J. Yao},
journal= {arXiv preprint arXiv:nucl-th/0312095},
year = {2009}
}
Comments
17 pages, 4 figures (the revised version.The paper and figures are revised). accepted by J. Phys. G