Evidence for high-temperature topological order in an asymmetric quantum Hall system

Details Evidence for high-temperature topological order in an asymmetric quantum Hall system Evidence for high-temperature topological order in an asymmetric quantum Hall system

2007-06-10

arxiv.org/abs/0706.1359v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

This paper has been withdrawn by the author because further experiments show incorrectness of the proposed interpretation.

Scientific paper

An original photo-electric method is applied to study InAs-based quantum Hall system in which time-reversal and parity symmetries are broken by a combination of in-plane magnetic field and built-in electric field. The experiments were performed in the regime of Shubnikov-de Haas oscillations at the temperature as high as about 2K. Under the so mild conditions, the system reveals a topological order manifested itself in an inseparable behaviour of quantum particles on the length as long as about 20mm.

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