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Is a squeezed state keeping as a squeezed state in its evolution?

  1. May 9, 2008 #1

    wdlang

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    we well know that, a coherent state keeps to be a coherent state in its evolution

    does similar conclusion hold for a squeezed state?
     
    wdlang, May 9, 2008
  2. jcsd
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  3. May 10, 2008 #2

    wdlang

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    the answer is YES!

    i have make out of it
     
    wdlang, May 10, 2008
  4. May 15, 2008 #3

    comote

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    Doesn't a coherent state stays coherent under the evolution of a Hamiltonian that is at most quadratic in Position and momentum. If I am thinking correctly, if a non-quadratic appears in the Hamiltonian the coherent form of the state is no longer valid under time evolution.

    I am pretty sure the same thing is true for squeezed states as well.
     
    comote, May 15, 2008
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