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Quantum mechanical complementarity probed in a closed-loop Aharonov-Bohm interferometer
Dong-In Chang, Gyong Luck Khym, Kicheon Kang +6
According to Bohr's complementarity principle, a particle possesses wave-like properties only when the different paths the particle may take are indistinguishable. In a canonical e…
Beating of Aharonov-Bohm oscillations in a closed-loop interferometer
Sanghyun Jo, Gyong Luck Khym, Dong-In Chang +5
One of the points at issue with closed-loop-type interferometers is beating in the Aharonov-Bohm (AB) oscillations. Recent observations suggest the possibility that the beating res…
Towards identification of a non-abelian state: observation of a quarter of electron charge at quantum Hall state
M. Dolev, M. Heiblum, V. Umansky +2
The fractional quantum Hall effect, where plateaus in the Hall resistance at values of coexist with zeros in the longitudinal resistance, results from electron correlations in two…
Dynamic nuclear polarization using a single pair of electrons
S. Foletti, J. Martin, M. Dolev +3
We observe dynamic nuclear polarization in a GaAs double dot system using two electrons that are never exchanged with the reservoir. By periodically bringing the system to the mixi…