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Yang, LP; Ai, Q; Sun, CP; Yang, LP (reprint author), Chinese Acad Sci, State Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China.
Generalized Holstein model for spin-dependent electron-transfer reactions
发表期刊PHYSICAL REVIEW A
语种英语
关键词Magnetoreception Coherence Mechanism Motion Salts Birds
摘要Some chemical reactions are described by electron transfer (ET) processes. The underlying mechanism could be modeled as a polaron motion in the molecular crystal-the Holstein model. By taking spin degrees of freedom into consideration, we generalize the Holstein model (molecular crystal model) to microscopically describe an ET chemical reaction. In our model, the electron spins in the radical pair simultaneously interact with a magnetic field and their nuclear-spin environments. By virtue of the perturbation approach, we obtain the chemical reaction rates for different initial states. It is discovered that the chemical reaction rate of the triplet state demonstrates its dependence on the direction of the magnetic field while the counterpart of the singlet state does not. This difference is attributed to the explicit dependence of the triplet state on the direction when the axis is rotated. Our model may provide a possible candidate for the microscopic origin of the avian compass.
2012
ISSN1050-2947
卷号85期号:3页码:32707
学科领域Physics
收录类别SCI
项目资助者National Natural Science Foundation of China [10935010, 11074261] ; National Natural Science Foundation of China [10935010, 11074261] ; National Natural Science Foundation of China [10935010, 11074261] ; National Natural Science Foundation of China [10935010, 11074261]
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被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15140
专题理论物理所科研产出_SCI论文
通讯作者Yang, LP (reprint author), Chinese Acad Sci, State Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China.
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GB/T 7714
Yang, LP,Ai, Q,Sun, CP,et al. Generalized Holstein model for spin-dependent electron-transfer reactions[J]. PHYSICAL REVIEW A,2012,85(3):32707.
APA Yang, LP,Ai, Q,Sun, CP,&Yang, LP .(2012).Generalized Holstein model for spin-dependent electron-transfer reactions.PHYSICAL REVIEW A,85(3),32707.
MLA Yang, LP,et al."Generalized Holstein model for spin-dependent electron-transfer reactions".PHYSICAL REVIEW A 85.3(2012):32707.
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