Tunneling spin Nernst effect for a single quantum dot,Physical Review B

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Tunneling spin Nernst effect for a single quantum dot
Physical Review B ( IF 3.2 ) Pub Date : 2024-07-18 , DOI: 10.1103/physrevb.110.035306
V. N. Mantsevich ₁ , D. S. Smirnov ₂

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We describe theoretically the spin Nernst effect for electrons tunneling to a quantum dot from a quantum wire with the heat flowing along it. Such a tunneling spin Nernst effect is shown to take place due to the spin-dependent electron tunneling produced by the spin-orbit coupling. The Coulomb interaction of electrons in the quantum dot is taken into account using nonequilibrium Green's functions and is shown to increase significantly the accumulated spin in a single quantum dot. The largest possible degree of spin polarization is discussed.

中文翻译：

单量子点的隧道自旋能斯特效应

我们从理论上描述了电子从量子线隧道到量子点的自旋能斯特效应，热量沿着量子线流动。这种隧道自旋能斯特效应被证明是由于自旋轨道耦合产生的自旋相关电子隧道效应而发生的。使用非平衡格林函数考虑了量子点中电子的库仑相互作用，并且显示出可以显着增加单个量子点中的累积自旋。讨论了最大可能的自旋极化程度。

更新日期：2024-07-19

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