Non-Markovian effects at the Fermi-edge singularity in quantum dots

Abstract

We study electronic transport through a quantum dot in the Fermi-edge singularity regime, placing emphasis on its non-Markovian attributes. These are quantified by the behavior of current noise as well as trace-distance-based measure of non-Markovianity and found to be pronounced at low temperatures where the interplay of many-electron correlations and quantum coherence present in the system leads to significant quantum memory effects and non-Markovian dynamics.

8 pages, 8 figures; proceedings of FQMT'11 conference (Prague, 2011)

References in corpus (6)

• Counting Statistics of Non-Markovian Quantum Stochastic Processes
• Counting statistics of transport through Coulomb blockade nanostructures: High-order cumulants and non-Markovian effects
• Noise enhancement due to quantum coherence in coupled quantum dots
• Fermi Edge Singularities in Transport through Quantum Dots
• Strong quantum memory at resonant Fermi edges revealed by shot noise
• Fermi-edge Singularity in II-VI Semiconductor Resonant Tunneling Structures