摘要
用实空间重整化群方法研究了最近邻相互作用下推广的 Fibonacci 链的性质,计算了 Green 函数的精确解,给出了该系统态密度的计算方法。
A method of real--space renormalization group is used to study the proper-ty of generalized Fibonacci chains under the nearest interaction. An exactsolution to Green's function is thus given with the densities of states of thesystem obtained.
关键词
Fibonacci链
重整化群
态密度
Fibonacci chain
real-space renormalization group
Green's function
density of state
rescaling
