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- W3200214618 abstract "Elementary particles are usually classified into two categories depending on their exclusion statistics: bosons and fermions. In bidimensional mesoscopic conductors subject to a strong magnetic field, new kind of quasi-particles (called anyons) can emerge. In the fractional quantum Hall effect (FQHE), anyons are an example of exchange statistics intermediate between bosons and fermions. The long term goal of this work is to perform Hong Ou Mandel (HOM) experiments for detecting anyonic statistics in time domain using a 3-QPC (Quantum Point Contact) sample (2 QPCs being used to generate single anyons and a central QPC as a beam splitter to perform 2-particle anyonic HOM correlation). Prior that, we explored a simpler system with a single QPC beam-splitter in order to test our ability to perform HOM measurements in the integer and fractional quantum Hall regime. With only one QPC beam-splitter, the particles emitted from voltage pulses applied on ohmic contacts on both sides of the QPC have to be considered like electrons (fermions) even in the FQHE. We present the first HOM noise measurements in the FQHE. We observe a large HOM dip at zero time delay, but not as high as the expected 100% deep of pure fermionic correlations. This points towards the need of improving the experimental setup and our understanding before addressing the study of anyonic correlations." @default.
- W3200214618 created "2021-09-27" @default.
- W3200214618 creator A5051248722 @default.
- W3200214618 date "2021-05-07" @default.
- W3200214618 modified "2023-10-14" @default.
- W3200214618 title "Towards Hong-Ou-Mandel experiments to explore the anyonic statistics in the fractional Hall effect" @default.
- W3200214618 hasPublicationYear "2021" @default.
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