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Article overview
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Many-body mobility edge due to symmetry-constrained dynamics and strong interactions | Ian Mondragon-Shem
; Arijeet Pal
; Taylor L. Hughes
; Chris R. Laumann
; | Date: |
Thu, 15 Jan 2015 21:00:59 GMT (1831kb,D) | Abstract: | We provide numerical evidence combined with an analytical understanding of
the many-body mobility edge for the strongly anisotropic spin-1/2 XXZ model in
a random magnetic field. The system dynamics can be understood in terms of
symmetry-constrained excitations about parent states with ferromagnetic and
anti-ferromagnetic short range order. These two regimes yield vastly different
dynamics producing an observable, tunable many-body mobility edge. We compute a
set of diagnostic quantities that verify the presence of the mobility edge and
discuss how weakly correlated disorder can tune the mobility edge further. | Source: | arXiv, 1501.3824 | Services: | Forum | Review | PDF | Favorites |
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