Lecture32

Lecture32 - much more than if the atoms are not excited and...

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Photons have momentum If an atom emits a photon, it recoils in the opposite direction. If the atoms are excited and then emit light, the atomic beam spreads
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Unformatted text preview: much more than if the atoms are not excited and do not emit....
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This note was uploaded on 02/16/2011 for the course PHYS 2163 taught by Professor Briscoe during the Fall '10 term at GWU.

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