Path Integrals in Quantum Mechanics
Path integrals provide in many instances an elegant complementary description of quantum mechanics and also for the quantization of fields, which we will study from a canonical point of view in Chapter ?? and following chapters. Path integrals are particularly popular in scattering theory, because the techniques of path integration were originally developed in the study of time evolution operators. Other areas where path integrals are used include statistical physics and the description of dissipative systems.Path integration is based on a beautiful intuitive description of the quantum mechanical time evolution of particles or wave functions from initial to final states.