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Electronic correlations and real-time dynamics in nanostructures: a computational approach


This research proposal contemplates computational studies of transport andnon equilibrium effects in strongly correlated systems, with particular emphasison nanostructured materials. Our goal is to investigate electronic correlation sand many-body phenomena and its manifestations on the transport properties of nanostructures such as semiconductor quantum dots and molecular complexes. To this end, we employ state-of-the-art nonperturbative numerical techniques: the numerical renormalization group (NRG) and the density matrix renormalization group (DMRG), as well as their respective time-dependent versions (tNRG andtDMRG). The project calls for que acquisition of a high-performance, 4-node cluster to perform the numerical calculations. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
WONG, ARTURO; LANE, W. BRIAN; DIAS DA SILVA, LUIS G. G. V.; INGERSENT, KEVIN; SANDLER, NANCY; ULLOA, SERGIO E.. Signatures of quantum phase transitions in parallel quantum dots: Crossover from local moment to underscreened spin-1 Kondo physics. Physical Review B, v. 85, n. 11, . (10/20804-9)
DIAS DA SILVA, LUIS G. G. V.; ALVAREZ, G.; DAGOTTO, E.. Dynamics of doublon-holon pairs in Hubbard two-leg ladders. Physical Review B, v. 86, n. 19, . (10/20804-9)
DIAS DA SILVA, LUIS G. G. V.; VERNEK, E.; INGERSENT, K.; SANDLER, N.; ULLOA, S. E.. Spin-polarized conductance in double quantum dots: Interplay of Kondo, Zeeman, and interference effects. Physical Review B, v. 87, n. 20, . (10/20804-9)

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