Filters: Date: "1976-03" Collection: ir_uspace
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Mattis, Daniel C. | Operator identity and applications to models of interacting electrons | By correct reduction of some quartic forms in fermion field operators, I eliminate all but a constant and some quadratic terms. I can use this to transform the Wolff model, of a magnetic impurity in a nonmagnetic metal, into a solvable quadratic form in fermions. Applying the same method (with less ... | Fermi operators | 1976-03 |
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