Abstract:
A new effect of self-consistency in the relativistic Hartree-Fock (HF) approximation is studied by a simple model and a renormalized calculation. A comparison is made between two different HF schemes: one requiring self-consistency in the HF potential (scheme P) and the other in the baryon propagator (scheme BP). Our results show that scheme P is a good aproximation to scheme BP for the calculation of the baryon propagator and the self-consistency requirements make the results obtained by the two schemes closer to each other, because the self-consistency in scheme BP diminishes the continuum part of the spectral representation for the baryon propagator, while the self-consistency in scheme P yields a baryon propagator which approximates closely to the HF result contributed by the converged single particle part of the above spectral representation alone.
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Received: 12 March 1999 / Revised version: 6 September 1999
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Wu, S., Zhu, J., Liu, K. et al. Relativistic Hartree-Fock schemes and effect of self-consistency . Eur. Phys. J. A 6, 345–349 (1999). https://doi.org/10.1007/s100500050352
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DOI: https://doi.org/10.1007/s100500050352