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Amplitude of a photon

  1. Dec 26, 2011 #1
    the amplitude of a photon gets divided when it goes through a double slit or through a mach-zender (http://en.wikipedia.org/wiki/Mach%E2%80%93Zehnder_interferometer

    what is amplitude of a photon? is it simply related to probability or is it, in any way, to the EM fields?

    what gets divided?..when a photon passes through the double slit

    we know that the photon is the smallest quanta of energy and cannot be divided
    Last edited: Dec 26, 2011
  2. jcsd
  3. Dec 27, 2011 #2


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    A single photon doesn't get divided. In the double slit experiment it will hit the screen in one spot. Quantum theory gives us the distribution of spots when many photons are used (even one at a time) - diffraction pattern.
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