Multiple quasiparticle Hall spectroscopy investigated with a resonant detector

Abstract

We investigate the finite frequency (f.f.) noise properties of edge states in the quantum Hall regime. We consider the measurement scheme of a resonant detector coupled to a quantum point contact in the weak-backscattering limit. A detailed analysis of the difference between the "measured" noise, due to the presence of the resonant detector, and the symmetrized f.f. noise is presented. We discuss both the Laughlin and Jain sequences, studying the tunnelling excitations in these hierarchical models. We argue that the measured noise can better distinguish between the different excitations in the tunnelling process with respect to the symmetrized f.f. counterpart in an experimentally relevant range of parameters. Finally, we illustrate the effect of the detector temperature on the sensibility of this measure.

24 pages, 8 figures

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Cited by in corpus (25)

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• Microwave photons emitted by fractionally charged quasiparticles
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• Enhanced thermoelectric response in the fractional quantum Hall effect
• Scaling dimension of quantum Hall quasiparticles from tunneling current noise measurements
• Levitons in helical liquids with Rashba spin-orbit coupling probed by a superconducting contact
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• Probing interactions via non-equilibrium momentum distribution and noise in integer quantum Hall systems at $\nu =2$
• Delta-T noise for fractional quantum Hall states at different filling factor
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• Phase-Coherent Dynamics of Quantum Devices With Local Interactions
• Spectral properties of interacting helical channels driven by Lorentzian pulses
• Noninvasive Quantum Measurement of Arbitrary Operator Order by Engineered Non-Markovian Detectors
• Photoassisted shot noise spectroscopy at fractional filling factor
• Current enhancement through a time dependent constriction in fractional topological insulators
• Suppression of the radiation squeezing in interacting quantum Hall edge channels
• Finite frequency noise spectroscopy for fractional Hall states at ν = 5/2
• Investigation of InAs based devices for topological applications
• Photo-assisted current in the fractional quantum Hall effect as a probe of the quasiparticle operator scaling dimension
• Photo-assisted shot noise probes multiple charge carriers in quantum Hall edges
• Finite frequency noise for Laughlin state investigated by a resonant circuit