Vibronic reduction of Heisenberg and double exchange in multielectron mixed-valency clusters |
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Authors: | V Ya Gamurar' B S Tsukerblat |
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Institution: | (1) Kishinev University, USSR |
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Abstract: | Vibronic reduction is considered for Coulomb interaction between centers for Heisenberg and double exchange in multielectron mixed-valency d2-d3 clusters. A simplified multimode vibration model indicates how effects arise via vibrations from the correlation interaction between electron shells. Vibronic reduction in double exchange can alter the magnetic parameters for the cluster's ground state.Translated from Teoreticheskaya i Éksperimental'naya Khimiya, Vol. 28, No. 2, pp. 114–121, March–April, 1992. |
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