1. May 9, 2008 #1

   wdlang

   

   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. 
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3. May 10, 2008 #2

   wdlang

   

   the answer is YES!
   
   i have make out of it

    

   wdlang, May 10, 2008
4. May 15, 2008 #3

   comote

   

   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 If I am thinking correctly, if a non-quadratic appears in the Hamiltonian the coherent form of the state is no longer valid under time evolution.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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