paper

On Many-Body Localization for Quantum Spin Chains

arXiv:1403.7837 · doi:10.1007/s10955-016-1508-x

Abstract

For a one-dimensional spin chain with random local interactions, we prove that many-body localization follows from a physically reasonable assumption that limits the amount of level attraction in the system. The construction uses a sequence of local unitary transformations to diagonalize the Hamiltonian and connect the exact many-body eigenfunctions to the original basis vectors.

62 pages, 4 figures, additional details in section 4 and references for published version. To appear in Jour. Stat. Phys

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