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arXiv 1005.0259cond-mat.str-elcond-mat.mes-hallcond-mat.mtrl-sciquant-ph
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非平衡态局域自旋之间的动力学交换相互作用

Dynamical exchange interaction between localized spins out of equilibrium

J. Fransson

摘要:

研究了非平衡条件下吸附在二维表面上的电子介导的局域自旋交换相互作用。发现有效的自旋-自旋相互作用既依赖于衬底的自旋极化,也依赖于局域自旋的激发谱。对于衬底的空间各向异性自旋极化,相互作用的空间依赖性包括衰减为sin(2k_FR)/(2k_FR)和sin(2k_FR)/(2k_FR)^2的分量。

英文摘要:

The electron mediated exchange interaction between local spins adsorbed on two-dimensional surface is studied under non-equilibrium conditions. The effective spin-spin interaction is found to depend both on the spin-polarization of the substrate and the excitation spectrum of the local spins. For spatially anisotropic spin-polarization of the substrate, the spatial dependence of the interaction comprise components decaying as sin(2k_FR)/(2k_FR) and sin(2k_FR)/(2k_FR)^2.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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