Abstract

A theory based on the time·dependent Hartree·Fock theory is proposed with the aim of describing large amplitude collective motion and its coupling with intrinsic degrees of freedom. With the use of time·dependent canonical transformation, the whole system is separated into two types of degrees of freedom. Under the condition of unique separation, two kinds of equations of collective submanifold are obtained. One js for the collective motion and of the same form as that previously given by the present authors. The other is for the intrinsic degrees of freedom and consists of a set of linear partial differential equations. It is reduced to the old one, the form of which is non-linear.

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