Search results for "Disorder screening"

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Disorder and interactions in systems out of equilibrium : the exact independent-particle picture from density functional theory

2017

Density functional theory (DFT) exploits an independent-particle-system construction to replicate the densities and current of an interacting system. This construction is used here to access the exact effective potential and bias of non-equilibrium systems with disorder and interactions. Our results show that interactions smoothen the effective disorder landscape, but do not necessarily increase the current, due to the competition of disorder screening and effective bias. This puts forward DFT as a diagnostic tool to understand disorder screening in a wide class of interacting disordered systems.

Class (set theory)Current (mathematics)Non-equilibrium thermodynamicsFOS: Physical sciences02 engineering and technologyCondensed Matter::Disordered Systems and Neural Networks01 natural sciencesCondensed Matter - Strongly Correlated ElectronsInformationSystems_GENERALdisordered systems0103 physical sciencesMesoscale and Nanoscale Physics (cond-mat.mes-hall)strongly correlated systemsDisorder screeningStatistical physics010306 general physicsdensity functional theoryPhysicsta114Condensed Matter - Mesoscale and Nanoscale PhysicsStrongly Correlated Electrons (cond-mat.str-el)tiheysfunktionaaliteoriaDisordered Systems and Neural Networks (cond-mat.dis-nn)Condensed Matter - Disordered Systems and Neural Networks021001 nanoscience & nanotechnologynonequilibrium Green's functionParticleDensity functional theory0210 nano-technology
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