Interaction-induced current asymmetries in resonant transport through interacting quantum-dot spin valves revealed by iterative summation of path integrals

S. Mundinar; A. Hucht; J. Koenig; S. Weiss

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Interaction-induced current asymmetries in resonant transport through interacting quantum-dot spin valves revealed by iterative summation of path integrals

机译：通过迭代总结透析路径积分的迭代总和揭示的量子点旋转阀相互作用诱导的电流不对称。

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Resonant tunneling of electrons between two ferromagnets and a quantum dot in the presence of an externally applied magnetic field reveals a strong gate dependence in the linear and nonlinear bias regime. This gate dependence originates from the interplay between Coulomb interactions and spin-dependent hybridization between the quantum dot and the leads. To take into account Coulomb interaction strengths of the same order of magnitude as the external magnetic field and the hybridization strength we adopt the numerically exact iterative summation of path integrals.

机译：在外部施加的磁场存在下，两个铁圆形仪和量子点之间的电子之间的谐振隧道揭示了线性和非线性偏置状态的强栅极依赖性。该栅极依赖性来自库仑相互作用与量子点和引线之间的旋转依赖性杂交之间的相互作用。考虑到与外部磁场相同数量级的库仑相互作用强度，杂交强度我们采用了路径积分的数值精确的迭代求和。

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来源
《Physical review》 |2020年第4期|045404.1-045404.10|共10页
作者
S. Mundinar; A. Hucht; J. Koenig; S. Weiss;
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Theoretische Physik Universitaet Duishurg-Essen and CENIDE 47048 Duisburg Germany;

Theoretische Physik Universitaet Duishurg-Essen and CENIDE 47048 Duisburg Germany;

Theoretische Physik Universitaet Duishurg-Essen and CENIDE 47048 Duisburg Germany;

Theoretische Physik Universitaet Duishurg-Essen and CENIDE 47048 Duisburg Germany;

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1. Interaction-induced current asymmetries in resonant transport through interacting quantum-dot spin valves revealed by iterative summation of path integrals [J] . Mundinar S., Hucht A., Koenig J., Physical review, B . 2020,第4期

机译：通过迭代总结透析路径积分的迭代总和揭示的量子点旋转阀相互作用诱导的电流不对称。
2. Iterative path-integral summations for the tunneling magnetoresistance in interacting quantum-dot spin valves [J] . Mundinar S., Stegmann P., Koenig J., Physical review . 2019,第19期

机译：相互作用量子点自旋阀中隧穿磁阻的迭代路径-积分求和
3. Iterative path-integral summations for the tunneling magnetoresistance in interacting quantum-dot spin valves [J] . Mundinar S., Stegmann P., Koenig J., Physical review . 2019,第19期

机译：隧道磁阻在相互作用 - 点旋转阀中的迭代路径积分求和
4. Exact Spin Coherent State Path Integral for a Neutral Spinning Particle Interacting with a Rotating Magnetic Field and a Scalar Potential [C] . Mekki Aouachria, Rima Rekik International Conference on Progress in Theoretical Physics . 2012

机译：具有旋转磁场的中性纺丝颗粒的精确自旋相干状态路径积分，旋转磁场和标量电位
5. Iterative path-integral summations for the tunneling magnetoresistance in interacting quantum-dot spin valves [O] . S. Mundinar, P. Stegmann, J. König, 2019

机译：隧道磁阻在相互作用 - 点旋转阀中的迭代路径积分求和

Interaction-induced current asymmetries in resonant transport through interacting quantum-dot spin valves revealed by iterative summation of path integrals

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