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RSS FeedsBeyond Einstein: Physicists solve mystery surrounding photon momentum
(PHYSorg.com Physics)


2 october 2019 17:35:03

Beyond Einstein: Physicists solve mystery surrounding photon momentum
(PHYSorg.com Physics)

Albert Einstein received the Nobel Prize for explaining the photoelectric effect: in its most intuitive form, a single atom is irradiated with light. According to Einstein, light consists of particles (photons) that transfer only quantised energy to the electron of the atom. If the photon`s energy is sufficient, it knocks the electrons out of the atom. But what happens to the photon`s momentum in this process? Physicists at Goethe University are now able to answer this question. To do so, they developed and constructed a new spectrometer with previously unattainable resolution.
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