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Effective field theory approach to many-body localization | | Alexander Altland
; Tobias Micklitz
; | | Date: |
4 Sep 2016 | | Abstract: | We construct an analytic theory of many-body localization (MBL) in random
spin chains. The approach is based on a first quantized perspective in which
MBL is understood as a localization phenomenon on the high dimensional lattice
defined by the discrete Hilbert space of the clean system. We construct a field
theory on that lattice and apply it to discuss the stability of a weak disorder
(’Wigner-Dyson’) and a strong disorder (’Poisson’) phase. | | Source: | arXiv, 1609.0877 | | Services: | Forum | Review | PDF | Favorites | |
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