Post Doc and Ph.D.
Studying exotic states in the FQHE regime
Moty Heiblum, Weizmann Institute of Science
We plan to concentrate on interference, shot noise in charge and neutral modes, and thermal noise in heat transport, which is sensitive to all particles, charged and neutral. We concentrate mainly on studies in the FQHE regime in extremely high purity GaAs heterostructures. We developed a method to control the properties of the edge modes by interfacing two quantum states and using the born interface modes (at the junction between the states). These modes can be free of edge reconstruction (and thus, free of neutral modes) and thus help build novel interferometers (integer and fractional), which allow braiding. Exotic fractional states, abelian and non-abelian (e.g., 5/2 and 12/5) will be studied with different techniques to verify their topological order.
Our funding comes primarily from three consecutive ERC grants. We have four dilution fridges (5-25mK) and well-equipped clean rooms, allowing fabricating and studying complex structures.
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