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Density Propagator for Many-Body Localization: Finite-Size Effects, Transient Subdiffusion, and Exponential Decay

Bera, Soumya, De Tomasi, Giuseppe, Weiner, Felix and Evers, Ferdinand (2017) Density Propagator for Many-Body Localization: Finite-Size Effects, Transient Subdiffusion, and Exponential Decay. Physical Review Letters 118 (19).

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Other URL: http://doi.org/10.1103/PhysRevLett.118.196801


Abstract

We investigate charge relaxation in quantum wires of spinless disordered fermions (t-V model). Our observable is the time-dependent density propagator Pi(epsilon)(x.t), calculated in windows of different energy density epsilon of the many-body Hamiltonian and at different disorder strengths W, not exceeding the critical value W-c. The width Delta x(epsilon) (t) of Pi(epsilon)(x,t) exhibits a ...

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Item type:Article
Date:2017
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group Ferdinand Evers
Identification Number:
ValueType
10.1103/PhysRevLett.118.196801DOI
Keywords:SYSTEM;
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:39004
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