A Unified Theory of the Nucleus

The different phenomena which play a role in low energy nuclear physics, such as reactions and bound state properties of the nuclei, are considered from a unified microscopic point of view. To achieve this the microscopic, many- particle Schroedinger equation is formulated as a projection equation. Consequently basis wave functions can be introduced which describe the nuclear system under consideration in a very flexible way, adjusted to the experimental conditions. This means for instance that the basis wave functions can be chosen in such a way that the incoming and reaction channels are contained in a completely symmetric way in the related coupled-channel equations. The specific experimental situation which one wants to describe is then taken into account by the boundary conditions of the solutions of the coupled-channel equations. One central point of this theory is the influence of the Pauli principle which resolves for instance the seemingly contradictory features of many nuclear phenomena such as e.g., single particle features and collective features. 3 figures. (auth)

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