THE THEORY OF QUANTUM TRANSITIONS UNDER THE INFLUENCE OF AN EXTERNAL PERTURBATION

QUANTUM MECHANICAL PERTURBATION THEORY

QUANTUM MECHANICAL PERTURBATION THEORY

THE USE OF DIRECT METHODS OF MATHEMATICAL PHYSICS IN THE THEORY OF QUANTUM TRANSITIONS. PART I

QUANTUM TRANSITIONS TO A CONTINUOUS SPECTRUM INDUCED BY AN ADIABATIC PERTURBATION. PART II

ASPECTS OF MANY-BODY PERTURBATION THEORY

TIME-DEPENDENT PERTURBATION THEORY, TRANSITION PROBABILITIES, AND SCATTERING