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Properties of the second order nuclear potentials derived from the symmetrical pseudoscalar meson theory are examined with respect to such phenomena that the fourth and higher order nuclear forces do not take a serious role. Informations originating from p-p scattering at low and intermediate energies furnish a strong confirmation of the second order potentials. Corrections which are required to the second order potentials by the experimental data are estimated and are found to be not inconsistent with the fourth order potentials.

A general prescription to solve the Dirac equation in the presence of a CP-violating electroweak bubble wall is presented. The profile of the bubble wall is not specified except that the wall height is m o and zero deep in the broken-and the symmetric-phase regions, respectively, where m o is a fermion mass given by the Higgs vacuum, expectation value and the Yukawa coupling. The CP-violating effects are