Figure 1

Sketch of the transfer and residency matrix elements. \(T_{11}\) is the fraction of up-moving spinor jumping from \(j-1\) at time \(n-1\) to j at time n, while \(R_{11}\) is the fraction left in \(j-1\). \(T_{22}\) and \(R_{22}\) bear the same meaning for the down moving spinor.