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Multifractal properties of critical eigenstates in two-dimensional systems with symplectic symmetry | | Ludwig Schweitzer
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15 Jun 1995 | | Subject: | cond-mat | | Abstract: | The multifractal properties of electronic eigenstates at the metal-insulator transition of a two-dimensional disordered tight-binding model with spin-orbit interaction are investigated numerically. The correlation dimensions of the spectral measure $widetilde{D}_{2}$ and of the fractal eigenstate $D_{2}$ are calculated and shown to be related by $D_{2}=2widetilde{D}_{2}$. The exponent $eta=0.35pm 0.05$ describing the energy correlations of the critical eigenstates is found to satisfy the relation $eta=2-D_{2}$. | | Source: | arXiv, cond-mat/9506069 | | Services: | Forum | Review | PDF | Favorites | |
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