Many-Body Methods for Atoms and Molecules

Focusing on electron correlation theories, this book delves into many-body perturbation theory and coupled cluster methods. It presents a comprehensive examination of the formal development and numerical implementation of multi-reference coupled cluster and perturbation theories, tailored for practicing theoreticians. The text highlights theoretical intricacies, including algebraic and diagrammatic derivations, while addressing fundamental issues related to electron correlation problems, making it an essential resource for those in the field.