Definition: de Broglie wavelength (L. de Broglie; 1924): The quantum mechanical "wavelength" associated with a particle, named after the scientist who discovered it. In quantum mechanics, all particles also have wave characteristics, where the wavelength of a particle is inversely proportional to its momentum and the constant of proportionality is the Planck constant.
de Broglie wavelength (L. de Broglie; 1924)
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