Kamis, 24 Januari 2013
Modern quantum theory
Einstein was displeased with quantum theory and mechanics, despite its
acceptance by other physicists, stating "God doesn't play with dice." As
Einstein passed away at the age of 76 he still would not accept quantum
theory.[100] In 1917, at the height of his work on relativity, Einstein published an article in Physikalische Zeitschrift that proposed the possibility of stimulated emission, the physical process that makes possible the maser and the laser.[101]
This article showed that the statistics of absorption and emission of
light would only be consistent with Planck's distribution law if the
emission of light into a mode with n photons would be enhanced
statistically compared to the emission of light into an empty mode. This
paper was enormously influential in the later development of quantum
mechanics, because it was the first paper to show that the statistics of
atomic transitions had simple laws. Einstein discovered Louis de Broglie's
work, and supported his ideas, which were received skeptically at
first. In another major paper from this era, Einstein gave a wave
equation for de Broglie waves, which Einstein suggested was the Hamilton–Jacobi equation of mechanics. This paper would inspire Schrödinger's work of 1926.
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