ENGINEERING PHYSICS Lecture Notes - Lecture 8: Wave Function
13 Sep 2021
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Intro quantum mechanics(which deals with matter and light at atomic and subatomic level) The methods of quantum mechanics consist in finding the wave function associated with a particle or a system. Since the wavefunction, (x,t), describes a particle, its evolution in time under the action of the wave equation describes the future history of the particle. (x,t) is determined by (x, t = 0) Thus, instead of the coordinate and velocity at t = 0 . we want to know the wave function at t = 0. Thus uncertainty is built in from the beginning. Maxwell"s equations: partial derivatives for the fields in empty space: 2 similarly for b in place of e simplest solution: a sinusoidal wave:
