Unitary transformations with spin angular momentum operators |
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Authors: | J.M. Dixon |
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Affiliation: | Department of Physics, The University of Warwick, Coventry CV4 7AL, U.K. |
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Abstract: | Useful formulae for replacing an exponentiated spin scalar product by a finite sum of powers of this product, are presented in the context of Coulomb interactions between magnetic ions and conduction electrons in metals. |
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