Title: Shape, Shell Structure and Collective Modes Unique to Nuclei Far from Stability Line
Abstract: The structure of nuclei far from β-stability lines is expected to show various interesting and exotic phenomena, due to the unique features: (a) the presence of nucleons with very small binding energies and largely extended wave-functions; (b) large difference between the Fermi levels of protons and neutrons; (c) exotic ratios of the proton to neutron numbers for a given mass number. Among the topics, which are the direct consequence of those characteristic features and are being studied experimentally using the radioactive nuclear ion beam facilities in the world, I choose to talk about the one-particle shell-structure, response function, and related collective modes.