Macroscopic-Range Correlations in an Asymmetric Quantum Hall System
S. A. Emelyanov
TL;DR
This paper investigates macroscopic-range correlations in an asymmetric quantum Hall system, revealing non-monotonic local photo-responses and remote illumination effects indicative of electron ordering over large distances.
Contribution
It demonstrates the existence of macroscopic-range correlations and electron ordering in an asymmetric quantum Hall system through local photo-response measurements.
Findings
Non-monotonic local photo-response as a function of distance
Remote illumination causes local photo-response in dark
Evidence of macroscopic electron ordering
Abstract
A local photo-response of an asymmetric quantum Hall system in tilted magnetic field is demonstrated to be a complicate non-monotonic function of macroscopic distances to the sample edges. A local photo-response in the dark has been observed caused by illumination of the sample arias remote on a macroscopic distances. These macroscopic-range correlatons indicate the presence of a macroscopic ordering of electrons in the system.
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Taxonomy
TopicsQuantum and electron transport phenomena · Semiconductor Quantum Structures and Devices · Quantum optics and atomic interactions