Matter Wave: is electron particle or wave?

      Prince Louis Victor Pierre Raymond de Broglie, a France teenager, got a paper from his brother when he was 19. Because of this paper Louis de Broglie decided to devoted himself in physic, and this decision is going to improve wave to another goal.

Louis de Broglie

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      A.D. 1924, Louis de Broglie found that if we consider two equation together, E = mc^2 and E = hμ, than we can get that μ = mc^2/h. This new equation told us that for any particle that has mass, it will exist a wave with it. Louis de Broglie called this wave "phase wave", and explained the act of electron with it. Louis de Broglie got his PHD with this crazy thinking paper, but most of the physicist can't believe with this theorem and told Louis de Broglie unless they saw the diffraction of electron, they won't agree with "phase wave."

 C. J. Davisson and L. H. Germer

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      A year later, C. J. Davisson and L. H. Germer were going to proved that Louis de Broglie was right by a explosion they made in lab. After the accident, the result of the experiment changed severely and they have no choice but stopped the experiment. 1927, Davisson founded that the reason why the result changed was because of the diffraction of electron!!!

 G.P. Thomson

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      At same year, G.P. Thomson made the experiment of electron diffraction successfully and won the Nobel Prize of Physic with Davisson in 1937. What a coincident!! J.J Thomson won the Nobel Prize of Physic by founded a new "particle" called electron, but his son G.P. Thomson won the same prize by proved that electron can act as "wave."