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I About ground state energy

  1. Nov 10, 2018 #1
    If I diagonalize the hamiltonian matrix ,I can get the eigenvalues , does the smallest eigenvalue always be the ground state energy?
     
  2. jcsd
  3. Nov 10, 2018 #2

    PeroK

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    The ground state, by definition, is the lowest energy level.
     
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