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What if one stand in the middle of a composite boson?

  1. Feb 28, 2010 #1
    Hi,all.

    My lecture said, two fermion can form a composite boson. two spin half plus together get 1.

    Yes I agree, but i think thats depend on whose frame of reference.

    say A and B is two fermions, C and D is another two fermions (observers). AB form a boson.

    if:

    AB C

    or

    ADB

    basically, what I want illustrate is, C is far from AB, and D is close to AB.

    C can treat AB as whole, i.e a composite boson.

    BUT, D can not.


    Am I right? helps please!

    Thanks in advance
     
  2. jcsd
  3. Feb 28, 2010 #2

    ZapperZ

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    I'm not sure what you're getting at here.

    A composite boson isn't just any two fermions randomly selected. Typically, these two fermions, via some mechanism, form a bound state with each other. Example: the Cooper pairs in conventional superconductors form bound state via phonon exchange.

    Unless you are going to argue that such bound state are also "relative", then I don't see how one can confuse on what the constituents of a composite boson is.

    Zz.
     
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