Eigenstate Structure in Graphs and Disordered Lattices
arXiv:nlin/0101048 · doi:10.1103/PhysRevE.64.036225
Abstract
We study wave function structure for quantum graphs in the chaotic and disordered regime, using measures such as the wave function intensity distribution and the inverse participation ratio. The result is much less ergodicity than expected from random matrix theory, even though the spectral statistics are in agreement with random matrix predictions. Instead, analytical calculations based on short-time semiclassical behavior correctly describe the eigenstate structure.
4 pages, including 2 figures
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