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How to calculate the many-body wavefunction

  1. Sep 18, 2008 #1
    hello, friends in this forum. Do you provide me some cues in calculating the many-body wavefunction? such as the fpu-beta model, the Hamiltonian of it is
    [tex]
    H=\sum_{i=1}^{N}\frac{p_{i}^{2}}{2}+\frac{(x_{i}-x_{i-1})^{2}}{2}+\frac{(x_{i}-x_{i-1})^{4}}{4}
    [/tex]
    ,Thank you!
     
  2. jcsd
  3. Sep 19, 2008 #2

    olgranpappy

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    Homework Helper

    "the" many-body wavefunction? There are very many many-body wavefunctions. Which one do you want to calculate? The ground state, perhaps?
     
  4. Sep 19, 2008 #3
    Yes, I mean the ground state. Do you know how to calculate it theoretically or numerically?
     
    Last edited: Sep 19, 2008
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