Spin-Selective Transport of Electrons in DNA Double Helix

被引：287

作者：

Guo, Ai-Min ^{[1
]}

Sun, Qing-feng ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 108卷 / 21期

关键词：

GIANT MAGNETORESISTANCE; CHARGE;

D O I：

10.1103/PhysRevLett.108.218102

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The experiment that the high spin selectivity and the length-dependent spin polarization are observed in double-stranded DNA [Science 331, 894 (2011)], is elucidated by considering the combination of the spin-orbit coupling, the environment-induced dephasing, and the helical symmetry. We show that the spin polarization in double-stranded DNA is significant even in the case of weak spin-orbit coupling, while no spin polarization appears in single-stranded DNA. Furthermore, the underlying physical mechanism and the parameter dependence of the spin polarization are studied.

引用

页数：5

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