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首页> 外文期刊>Chemical Physics Letters >Light-induced electron spin polarization in rigidly linked, strongly coupled triplet-doublet spin pairs
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Light-induced electron spin polarization in rigidly linked, strongly coupled triplet-doublet spin pairs

机译:刚性连接的强耦合三重态-双重态自旋对中的光诱导电子自旋极化

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摘要

Perturbation theory is used to predict the light-induced spin polarization associated with the quartet state of rigid, strongly coupled triplet-doublet spin pairs. It is shown that spin-orbit coupling mixes the trip-doublet and trip-quartet states and that if the mixing determines the rate of ISC, it leads to net and multiplet spin polarization of the quartet state. Analytical expressions for the contributions to the spin polarization are derived using first-order perturbation theory. Using these expressions, the sign, magnetic field dependence and orientation dependence of the spin polarization are discussed in terms of the exchange coupling, zero-field splitting and spin-orbit coupling within the system. (C) 2003 Elsevier B.V. All rights reserved. [References: 21]
机译:微扰理论用于预测与刚性,强耦合三重态-双重态自旋对的四重态相关的光诱导自旋极化。结果表明,自旋-轨道耦合混合了三重双态和三重四态,如果混合决定了ISC的速率,它将导致四重态的净和多重自旋极化。利用一阶扰动理论推导了对自旋极化的贡献的解析表达式。使用这些表达式,根据系统内的交换耦合,零场分裂和自旋轨道耦合来讨论自旋极化的符号,磁场依赖性和取向依赖性。 (C)2003 Elsevier B.V.保留所有权利。 [参考:21]

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