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cond-mat1997★ 166 cited
Calculation of Densities of States and Spectral Functions by Chebyshev Recursion and Maximum Entropy
R. N. Silver, H. Roder
We present an efficient algorithm for calculating spectral properties of large sparse Hamiltonian matrices such as densities of states and spectral functions. The combination of Ch…
cond-mat1995
Spin correlation functions in random-exchange s=1/2 XXZ chains
Heinrich Röder, Joachim Stolze, Richard N. Silver +1
The decay of (disorder-averaged) static spin correlation functions at T=0 for the one-dimensional spin-1/2 XXZ antiferromagnet with uniform longitudinal coupling and random tr…