Physical Review A (PRA) publishes important developments in the rapidly evolving areas of atomic, molecular, and optical (AMO) physics, quantum information, and related fundamental concepts.PRA covers atomic, molecular, and optical physics, foundations of quantum mechanics, and quantum information, including:-Fundamental concepts-Quantum information-Atomic and molecular structure and dynamics; high-precision measurement-Atomic and molecular collisions and interactions-Atomic and molecular processes in external fields, including interactions with strong fields and short pulses-Matter waves and collective properties of cold atoms and molecules-Quantum optics, physics of lasers, nonlinear optics, and classical optics