玻色量子点中的Landauer电流和互信息
Landauer current and mutual information in a bosonic quantum dot
摘要：
研究了玻色子通过耦合到两个宏观热浴$L$和$R$的量子点的量子输运，热浴分别为固定温度的$T_{L}$和$T_{R}$。我们设法把粒子和热流都转换成Landauer形式。根据相关矩阵的方法，我们计算的时间依赖的互信息的点与浴。我们发现互信息随玻色子的数量而变化，在低温下，有可能以这样一种方式设置参数，即在稳态下，互信息随电流的平方而变化。
英文摘要：
We study the quantum transport of bosons through a quantum dot coupled to two macroscopic heat baths $L$ and $R$, held at fixed temperatures $T_{L}$ and $T_{R}$ respectively. We manage to cast the particle as well as the heat current into the Landauer form. Following the correlation matrix approach, we compute the time-dependent mutual information of the dot with the baths. We find that mutual information goes logarithmically as the number of bosons, and at low temperatures, it is possible to set up the parameters in such a way that in steady-state, the mutual information goes quadratically as a function of current.
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