’s, and from them calculating the
’s, and then redetermining the
’s by the relation (1) which gives
, and so on.
As in the case of a single ring it is supposed that the systems are stable for displacements of the electrons in the plane of their orbits. In a calculation such as that on [p. 30.], the interaction of the rings ought strictly to be taken into account. This interaction will involve that the quantities
are not constant, as for a single ring rotating round a nucleus, but will vary with the radii of the rings; the variation in