The temperature-independent part of the magnetic circular dichroism spectrum is conventionally divided into the Faraday A and B terms, where the A term is nonzero only for systems with degenerate states. We propose that this separation is abandoned in favor of a unified temperature-independent term. This proposal is based on complex polarization propagator calculations on three structurally similar porphyrins. These calculations also suggest that the Soret band of Zn-porphyrin is determined by an isolated degenerate 2Eu state
The A and B Terms of Magnetic Circular Dichroism Revisited
CORIANI, Sonia;
2008-01-01
Abstract
The temperature-independent part of the magnetic circular dichroism spectrum is conventionally divided into the Faraday A and B terms, where the A term is nonzero only for systems with degenerate states. We propose that this separation is abandoned in favor of a unified temperature-independent term. This proposal is based on complex polarization propagator calculations on three structurally similar porphyrins. These calculations also suggest that the Soret band of Zn-porphyrin is determined by an isolated degenerate 2Eu stateFile in questo prodotto:
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