De Broglie hypothesis Guide, Meaning , Facts, Information and Description

Louis de Broglie claimed that all matter has a wave-like nature and related its wavelength and momentum by the equation:

where is Planck's constant.

The results of his hypothesis were proven when the scientists Clinton Davisson and Lester Germer performed an experiment in 1927. They found that when slow moving electrons with energy approximately 54eV is coincident upon a nickel surface, the crystalline atomic structure of the nickel atoms produced an alternating series of low intensity and high intensity 'beams'. This is akin to the effects of a diffraction grating.

By calculation of this wavelength using the equation:

Davisson and Germer confirmed de Broglie's hypothesis; for the calculated de Broglie wavelength is approximately similar to that of the experiment.

See: Wave-particle duality, Hamiltonian, Clinton Davisson

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