# Are matter waves the same as de Broglie waves?

##### 1 Answer

Jun 30, 2014

Yes, matter waves and de Broglie waves are the same thing.

Louis deBroglie proposed that all matter has some properties of waves, and electromagnetic waves have some properties of matter. In other words, de Broglie introduced the concept of *wave-particle duality* . The relation that unifies matter and waves is

where

Using this relation, one may calculate the characteristic wavelength of a particle with known momentum,