Time-dependent mean field theory of nuclear dynamics

It is stated that an understanding of the dynamics of self-bound composite systems is fundamental to many problems in condensed matter, solid state, particle, and nuclear physics. Nuclear physics provides an ideal field in which to explore a systematic microscopic dynamic theory, and the time-dependent mean field approximation is one possible starting point for such a theory and, if successful, offers the possibility of providing a unified description of such diverse phenomena as nuclear ground states, rotational and vibrational excited states, large amplitude collective motion, fusion, compound nucleus formation, fission, fragmentation, and dissipation. Matters discussed include - the mean field approximation for stationary states, the time-dependent mean field approximation, single particle propagation in the mean field, and preliminary applications to nuclei. A number of fundamental questions concerning the validity of the time-dependent mean field theory are mentioned, but it is stated that there is good reason for optimism that the theory will fulfill its intended role as a first step towards providing a microscopic foundation for the dynamics of self-bound composite systems. (U.K.)