Dresden 2020 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 22: Quantum Dots, Quantum Wires, Point Contacts

TT 22.3: Vortrag

Dienstag, 17. März 2020, 10:00–10:15, HSZ 201

Charge-Photon statistics and short-time correlation in a single quantum dot-resonator system — •Tineke L. van den Berg1 and Peter Samuelsson21Donostia International Physics Center (DIPC), Paseo Manuel de Lardizabal 4, E-20018 San Sebastián, Spain — 2Physics Department, Lund University, Sweden

Electrical quantum conductors coupled to microwave resonators have in the last decade emerged as a versatile testbed for controllable light-matter interaction on the nanometer scale. Recent experimental progress with high impedance resonators has resulted in conductor-resonator systems with a large, dimensionless coupling parameter λ 0.1, well beyond the small coupling regime λ ≪ 1. Motivated by this progress, we here analyse theoretically the joint statistics of transported electrons and emitted photons in a single level quantum dot coupled to a microwave resonator, for arbitrarily large λ. Describing the electron-photon dynamics via a number-resolved master equation, we evaluate the joint long-time probability distribution as well as joint short-time, g(2)(t), correlation functions.

[1] T. L. van den Berg and P. Samuelsson PRB 100, 035408 (2019).

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