Averages with Constraints 3.

• To get correct (unconstrained-system) averages from a simulation using constraints, averages should be multiplied by this factor

• Evaluating this quantity could be tedious
  • but there is a simplification
  • the ratio of determinants (of N-by-N and (N-l)-by-(N-l) matrices) can be given in terms of the determinant of an l-by-l matrix
  • for the diatomic with L constrained, H = 1
    
    

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