# Materials Science and Engineering/List of Topics/Quantum Mechanics/Three-Dimensional Problems

## 3D Problems in Cartesian Coordinates

edit### General Treatment: Separation of Variables

edit### The Free Particle

edit### The Box Potential

edit### The Harmonic Oscillator

edit## Central Potential: General Treatment in 3D

edit## The Free Particle in Spherical Coordinates

edit## The Hydrogen Atom

edit## Reference

editNouredine Zettili, "Quantum Mechanics: Concepts and Application". John Wiley & Sons, LTD. New York, 2001