Theory of the Vibration of Simple Cubic Lattices with Nearest Neighbor Interactions
UNIVERSITY OF MARYLAND College Park United States
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A crystalline solid is generally considered to be an assembly of almost periodically spaced atoms or molecules. A set of periodic atomic equilibrium positions is postulated to exist such that no net force acts on any atom when all are at their equilibrium positions. Thermal excitation or quantum mechanical zero point energy at low temperatures causes the atoms to vibrate about these equilibrium positions.
- Numerical Mathematics