Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2008-12-23
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
4 pages, 1 figure; Revised according to referee's comments, accepted for publication in Phys. Rev. Lett
Scientific paper
We propose ways to create and detect fractionally charged excitations in
\emph{integer} quantum Hall edge states. The charge fractionalization occurs
due to the Coulomb interaction between electrons propagating on different edge
channels. The fractional charge of the soliton-like collective excitations can
be observed in time resolved or frequency dependent shot noise measurements.
Berg Erez
Kim Eun-Ah
Oreg Yuval
von Oppen Felix
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