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4 papers · 2 filters
Calculation of the Electron Spin Relaxation Times in InSb and InAs by the Projection-Reduction Method
Nam Lyong Kang
The electron spin relaxation times in a system of electrons interacting with piezoelectric phonons mediated through spin-orbit interactions were calculated using the formula derive…
Charge frustration in a triangular triple quantum dot
M. Seo, H. K. Choi, S. -Y. Lee +5
We experimentally investigate the charge (isospin) frustration induced by a geometrical symmetry in a triangular triple quantum dot. We observe the ground-state charge configuratio…
Multi-Valued Logic Gates based on Ballistic Transport in Quantum Point Contacts
M. Seo, C. Hong, S. -Y. Lee +5
Multi-valued logic gates, which can handle quaternary numbers as inputs, are developed by exploiting the ballistic transport properties of quantum point contacts in series. The pri…
Derivation of Electron Spin Relaxation Rate by Electron-Phonon Interaction Using a New Diagram Method
Nam Lyong Kang, Sang Don Choi
A formula for the electron spin relaxation rate of an electron-phonon system is derived using a new spring-loop diagram method. The result contains the distribution functions for t…