269 citations
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4 papers · 1 filter
Dependence of the 0.5(2e2/h) conductance plateau on the aspect ratio of InAs quantum point contacts with in-plane side gates
P. P. Das, A. Jones, M. Cahay +6
The observation of a 0.5 conductance plateau in asymmetrically biased quantum point contacts with in-plane side gates has been attributed to the onset of spin-polarized current thr…
A quantitative study of spin-flip co-tunneling transport in a quantum dot
Tai-Min Liu, Anh T. Ngo, Bryan Hemingway +4
We report detailed transport measurements in a quantum dot in a spin-flip co-tunneling regime, and a quantitative comparison of the data to microscopic theory. The quantum dot is f…
Magnetic-Field-Induced Crossover to a Nonuniversal Regime in a Kondo Dot
Tai-Min Liu, Bryan Hemingway, Steven Herbert +2
We have measured the magnetic splitting, , of a Kondo peak in the differential conductance of a Single-Electron Transistor while tuning the Kondo temperature, , along two…
All-Electric Quantum Point Contact Spin Valve
P. Debray, J. Wan, S. M. S. Rahman +7
This paper has been withdrawn by the author because in the main text some discussion parts were inadvertently added by mistake.