一维和二维晶格中玻色子和费米子载流子电导率的主方程方法
Master equation approach to conductivity of bosonic and fermionic carriers in one- and two-dimensional lattices
摘要：
讨论了一维和二维晶格中玻色子和费米子载流子扩散电流的主方程方法。这种方法重现所有已知的线性响应理论的结果，包括整数量子霍尔效应的费米子载波。该方法的主要优点是，它允许计算超出线性响应政权的电流，其中新的影响被发现。特别是，我们表明，霍尔电流可以通过改变方向的静态力（电场）相对于主轴的晶格反转。
英文摘要：
We discuss the master equation approach to diffusive current of bosonic or fermionic carriers in one- and two-dimensional lattices. This approach is shown to reproduce all known results of the linear response theory, including the integer quantum Hall effect for fermionic carriers. The main advantage of the approach is that it allows to calculate the current beyond the linear response regime where new effects are found. In particular, we show that the Hall current can be inverted by changing orientation of the static force (electric field) relative to the primary axes of the lattice.
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