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Quantum Interference Effects for the Electronic Fluctuations in Quantum Dots

  • Condensed Matter
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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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Acknowledgments

This work was partially supported by CNPq, FAPESP, FACEPE, and INCT-IQ (Brazilian Agencies).

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Authors and Affiliations

  1. Instituto de Estudos Avançados, Universidade de São Paulo, C.P. 72012, 05508-970, São Paulo, SP, Brazil

    J. G. G. S. Ramos & M. S. Hussein

  2. Instituto de Física, Universidade de São Paulo, C.P. 66318, 05314-970, São Paulo, SP, Brazil

    J. G. G. S. Ramos & M. S. Hussein

  3. Departamento de Ciências Exatas, Universidade Federal da Paraíba, 58297-000, Rio Tinto, PB, Brazil

    J. G. G. S. Ramos

  4. UAEADTec and Pós-Graduação em Física Aplicada, Universidade Federal Rural de Pernambuco, 52171-900, Recife, PE, Brazil

    A. L. R. Barbosa

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  1. J. G. G. S. Ramos
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  2. A. L. R. Barbosa
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  3. M. S. Hussein
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Correspondence to M. S. Hussein.

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Ramos, J.G.G.S., Barbosa, A.L.R. & Hussein, M.S. Quantum Interference Effects for the Electronic Fluctuations in Quantum Dots. Braz J Phys 44, 223–232 (2014). https://doi.org/10.1007/s13538-014-0181-2

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  • DOI: https://doi.org/10.1007/s13538-014-0181-2

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