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What determines the time it takes for an electron to return to its ground energy stat

  1. Jul 16, 2012 #1
    Excluding the process of Phosphorescence, an electron in an excited state will return directly or with a intermediate step to its grown state (like in a ruby LASER before the stimulated emission, where first absorbs a green photon, drops to an intermediary energy level and then emits a red photon by stimulation). But what determines the time it takes for this to happen?
    Thank you
    regards
     
  2. jcsd
  3. Jul 18, 2012 #2
    Re: What determines the time it takes for an electron to return to its ground energy

    I think that time is indeterminate
     
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