On the mass operator in a diagonally disordered binary alloy |
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| Authors: | J Kropiwnicki L Kowalewski |
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| Institution: | Solid State Division, Institute of Physics, A. Mickiewicz University, 60-769 Poznań, Poland |
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| Abstract: | It is shown that the multiple-occupancy corrections imply identities between skeleton diagrams generating a perturbation calculus for the mass operator M. Self-consistent equations for Mii, Mi, i+1 are obtained. The corrections to the obtained M begin with terms of order z-6 where z is the coordination number. |
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