Abstract
It has been shown that in a renormalizable gauge-invariant field-theory model, besides the usual factorizable contribution to the parity-violating vector-meson-exchange potential there is a nonseparable contribution which is equally important. Both contributions have been calculated in the model based on the Bethe-Salpeter equation which describes vector mesons as bound quark-antiquark states. Complete expressions for parity-violating nuclear potentials have been given for the Cabibbo and the Weinberg-Salam models, including the asymptotically-free field-theory version of the latter, which employs coloured quarks and vector gluons.
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