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Collapse of a macroscopic Bose-Einstein condensate

  1. Jun 5, 2013 #1

    tom.stoer

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    Consider a macroscopic Bose-Einstein condensate. Are there experimental results regarding the propagation (in space and time) of the collapse of this state caused by a point-like perturbation?
     
  2. jcsd
  3. Jun 6, 2013 #2

    DrDu

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    I don't quite understand what you mean. If it is a macroscopic condensate, a local perturbation can never lead to a global collapse.
     
  4. Jun 6, 2013 #3

    tom.stoer

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    Perturbing (e.g. heating) the condensate locally for a longer time may collapse the state globally - but not instantaneously; how does the collapse propagate?
     
  5. Jun 7, 2013 #4

    DrDu

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    Probably you can calculate it using the Ginzburg-Landau equation. Suppose that Abrikosov and other russians have considered this as it seems to be similar to problems involving e.g. magnetic flux tubes.
     
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