Relativistic covariance of quasipotential equations

Details Relativistic covariance of quasipotential equations Relativistic covariance of quasipotential equations

1997-11-04

arxiv.org/abs/nucl-th/9711005v1

Phys.Lett. B435 (1998) 245-250

Physics

Nuclear Physics

Nuclear Theory

7 pages, LaTeX (REVTeX), incl. 4 PostScript figures

Scientific paper

10.1016/S0370-2693(98)00856-9

We argue that most of the relativistic 3-D (quasipotential) equations used in hadron physics are inconsistent with the discrete symmetries like charge conjugation and CPT, yielding an incorrect Lorentz structure for the calculated Green's functions. An exception to this is the equal time approximation to the Bethe-Salpeter equation. We present a covariant quasipotential model for the pion-nucleon interaction based on hadronic degrees of freedom and satisfying the full covariance.

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