Search results for "CHARGE MIGRATION"

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A many-body approach to transport in quantum systems : From the transient regime to the stationary state

2022

We review one of the most versatile theoretical approaches to the study of time-dependent correlated quantum transport in nano-systems: the non-equilibrium Green's function (NEGF) formalism. Within this formalism, one can treat, on the same footing, inter-particle interactions, external drives and/or perturbations, and coupling to baths with a (piece-wise) continuum set of degrees of freedom. After a historical overview on the theory of transport in quantum systems, we present a modern introduction of the NEGF approach to quantum transport. We discuss the inclusion of inter-particle interactions using diagrammatic techniques, and the use of the so-called embedding and inbedding techniques w…

Statistics and ProbabilityTIME-DEPENDENT TRANSPORTKADANOFF-BAYM EQUATIONSGeneral Physics and AstronomyFOS: Physical sciencesnon-equilibrium Green's functionGREENS-FUNCTIONDENSITY-FUNCTIONAL THEORYCondensed Matter - Strongly Correlated ElectronsPhysics - Chemical PhysicsMesoscale and Nanoscale Physics (cond-mat.mes-hall)COHERENT TRANSPORTSINGLE-MOLECULEkvanttifysiikkamany-body correlationMathematical Physicsquantum transportMEAN-FIELD THEORYChemical Physics (physics.chem-ph)Quantum PhysicsANDERSON-HOLSTEIN MODELCondensed Matter - Mesoscale and Nanoscale PhysicsStrongly Correlated Electrons (cond-mat.str-el)Statistical and Nonlinear PhysicsCHARGE MIGRATIONModeling and Simulationnon-equilibrium Green’s functionQuantum Physics (quant-ph)SHOT-NOISE
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