近似主方程法中Onsager定理的违反
Violation of Onsager's theorem in approximate master equation approaches
摘要：
与Onsager定理的一致性检查常用的微扰方法，如Redfield和二阶冯诺依曼主方程，通过纳米结构的热电传输。我们研究了双量子点，它需要状态之间的相干性才能得到正确的描述，我们发现这些微扰方法违反了Onsager定理。我们表明，从定理规模的偏差与铅耦合强度的顺序超出了一个系统地考虑在各自的方法。
英文摘要：
The consistency with Onsager's theorem is examined for commonly used perturbative approaches, such as the Redfield and second-order von Neumann master equations, for thermoelectric transport through nanostructures. We study a double quantum dot, which requires coherences between states for a correct description, and we find that these perturbative approaches violate Onsager's theorem. We show that the deviations from the theorem scale with the lead-coupling strength in an order beyond the one considered systematically in the respective approach.
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