The discussion clarifies the application of selection rules in quantum mechanics, specifically Δl=±1 and Δml=0,±1. An example provided is the emission of light by an excited hydrogen atom, where the electron transitions from a p_z orbital (l=1, m=0) to an s orbital (l=0, m=0). This transition adheres to the selection rules, demonstrating how Δml=0 and Δl=±1 can occur simultaneously in quantum systems.
PREREQUISITESStudents and professionals in physics, particularly those focusing on quantum mechanics, atomic physics, and spectroscopy. This discussion is beneficial for anyone seeking to understand electron transitions and selection rules in quantum systems.
DrDu said:E.g. emission of light by an excited hydrogen atom with the electron being in a p_z (m=0, l=1) to the s orbital (m=0, l=0).