http://www.cnr.it/ontology/cnr/individuo/prodotto/ID3491
Dephasing effects and shot noise in quantum Hall wires: Green's function formalism (Articolo in rivista)
- Type
- Label
- Dephasing effects and shot noise in quantum Hall wires: Green's function formalism (Articolo in rivista) (literal)
- Anno
- 2008-01-01T00:00:00+01:00 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Cresti, A; Parravicini, GP (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- \"[Cresti, Alessandro] Univ Pisa, NEST CNR INFM, I-56127 Pisa, Italy; [Cresti, Alessandro] Univ Pisa, Dipartimento Fis E Fermi, I-56127 Pisa, Italy; [Cresti, Alessandro] LETI Minatec, CEA, F-38054 Grenoble, France; [Parravicini, Giuseppe Pastori] Univ Pavia, NEST CNR INFM, I-27100 Pavia, Italy; [Parravicini, Giuseppe Pastori] Univ Pavia, Dipartimento Fis A Volta, I-27100 Pavia, Italy (literal)
- Titolo
- Dephasing effects and shot noise in quantum Hall wires: Green's function formalism (literal)
- Abstract
- We study the effects of many-body dephasing processes on the electron conductance and current fluctuations of quantum wires, with particular attention to Hall bars. The theoretical study is based on the nonequilibrium Green's function formalism and the self-consistent Born approximation for the dephasing self-energy operators. The numerical study of the retarded and lesser Green's functions of the interacting system is carried out by means of continued fractions and iterative techniques, within a tight-binding description of the electronic device. The crossover from the noise regime to the noiseless regime with its striking universal features emerges with great evidence from the calculated behavior of conductance and shot noise in the studied quantum wires. (literal)
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