Spin relaxation in GaAs quantum dots -: art. no. 115318

被引：70

作者：

Cheng, JL

Wu, MW ^{[1
]}

Lü, C

机构：

[1] Univ Sci & Technol China, Struct Res Lab, Hefei 230026, Anhui, Peoples R China

[2] Univ Sci & Technol China, Dept Phys, Hefei 230026, Anhui, Peoples R China

来源：

PHYSICAL REVIEW B | 2004年 / 69卷 / 11期

关键词：

D O I：

10.1103/PhysRevB.69.115318

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The spin-relaxation time due to the electron-acoustic phonon scattering in GaAs quantum dots is studied after the exact diagonalization of the electron Hamiltonian with the spin-orbit coupling. Different effects such as the magnetic field, the quantum dot size, and the temperature on the spin-relaxation time are investigated in detail. Moreover, we show that the perturbation method widely used in the literature is inadequate in accounting for the electron structure and therefore the spin-relaxation time.

引用

页数：7

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