Convergence in High Probability of the Quantum Diffusion in a Random Band Matrix Model |
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Authors: | Vlad Margarint |
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Institution: | 1.Mathematical Institute,University of Oxford,Oxford,UK |
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Abstract: | We consider Hermitian random band matrices H in \(d \geqslant 1 \) dimensions. The matrix elements \(H_{xy},\) indexed by \(x, y \in \varLambda \subset \mathbb {Z}^d,\) are independent, uniformly distributed random variable if \(|x-y| \) is less than the band width W, and zero otherwise. We update the previous results of the converge of quantum diffusion in a random band matrix model from convergence of the expectation to convergence in high probability. The result is uniformly in the size \(|\varLambda | \) of the matrix. |
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