Abstract
A canonical transformation method for use in molecular structure calculations is given whereby the original coordinates and momenta of the N-body system are expressed in closed form in terms of the transformed coordinates and momenta. The method is illustrated for a general N-dimensional (i) linear transformation and (ii) point transformation, in phase space. The difficulties in the generalization of this method to arbitrary canonical quantum mechanical transformations are discussed. This method is compared with that of using unitary operators, and its advantages over that method are described.
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