Abstract.
We present a formalism to calculate frequency dependent electron current noise for transport through two-level systems (such as coupled quantum dots or Cooper-pair boxes) in presence of dissipation. Perturbation theories in various regimes are formulated within a matrix scheme in Laplace scheme which we evaluate in detail both for weak and strong coupling to a bosonic environment.
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Received: 12 December 2003, Published online: 10 August 2004
PACS:
72.70. + m Noise processes and phenomena - 73.23.Hk Coulomb blockade; single-electron tunneling
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Aguado, R., Brandes, T. Current fluctuation spectrum in dissipative solid-state qubits. Eur. Phys. J. B 40, 357–363 (2004). https://doi.org/10.1140/epjb/e2004-00247-1
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DOI: https://doi.org/10.1140/epjb/e2004-00247-1