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Quantum Interference Effects for the Electronic Fluctuations in Quantum Dots |
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| Authors: | J G G S Ramos A L R Barbosa M S Hussein |
| Institution: | 1. Instituto de Estudos Avan?ados, Universidade de S?o Paulo, C.P. 72012, 05508-970, S?o Paulo, SP, Brazil 2. Instituto de Física, Universidade de S?o Paulo, C.P. 66318, 05314-970, S?o Paulo, SP, Brazil 3. Departamento de Ciências Exatas, Universidade Federal da Paraíba, 58297-000, Rio Tinto, PB, Brazil 4. UAEADTec and Pós-Gradua??o em Física Aplicada, Universidade Federal Rural de Pernambuco, 52171-900, Recife, PE, Brazil |
| Abstract: | For the main quantum interference term of coherent electronic transport, we study the effect of temperature, perpendicular and/or parallel magnetic fields, spin-orbit coupling and tunneling rates in both metallic grains and mesoscopic heterostructures. We show that the Zeeman effects determines a crucial way to characterize the quantum interference phenomena of the noise for anisotropic systems (mesoscopic heterostructures), qualitatively distinct from those observed in isotropic structures (metallic grains). |
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