[Phys-seminars] 2011-05-30 Condensed Matter Seminar

manassen at bgu.ac.il manassen at bgu.ac.il
Thu May 26 09:51:55 IDT 2011


Condensed Matter Seminar

  DATE: 30-05-2011

  TIME: 11:30am (Mon)

  PLACE: Physics building (#54) room 207

TITLE: 
Neutral modes measurements in the fractional quantum Hall effect regime

SPEAKER: 
Merav Dolev, Department of Condensed Matter Physics
Weizmann Institute


ABSTRACT/COMMENTS:
The discovery of neutral (energy carrying) edge modes in the
fractional quantum Hall effect regime (Bid et. al. Nature, 2010)
opened a new and fascinating field of research. In this talk, I
will discuss fractional quantum Hall states in which an upstream
neutral mode had been recently observed. In particular, I will
focus on fractional quantum Hall states in the second Landau level
(ν=8/3, ν=5/2 and ν=7/3), which may support non abelian
quasiparticles. Since non abelian quasiparticles are expected to
carry a fractional charge and a unique form of a chiral neutral
edge mode, charge measurement accompanied with neutral mode 
detection measurement may provide an indication for possible non
abelian candidates. 



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