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10 papers · 2 filters
Linear magnetoresistance in compensated graphene bilayer
G. Yu. Vasileva, D. Smirnov, Yu. L. Ivanov +8
We report a nonsaturating linear magnetoresistance in charge-compensated bilayer graphene in a temperature range from 1.5 to 150 K. The observed linear magnetoresistance disappears…
Low-temperature transport properties of a two-dimensional electron gas with additional impurities
E. P. Rugeramigabo, L. Bockhorn, R. J. Haug
We investigate the effect due to background impurities embedded in the region of two-dimensional electron gases to the magnetotransport. These impurities are achieved by homogeneou…
Competition between Kondo screening and quantum Hall edge reconstruction
A. W. Heine, D. Tutuc, G. Zwicknagl +1
We report on a Kondo correlated quantum dot connected to two-dimensional leads where we demonstrate the renormalization of the g-factor in the pure Zeeman case i.e, for magnetic fi…
Grand canonical Peierls transition in In/Si(111)
Eric Jeckelmann, Simone Sanna, Wolf Gero Schmidt +2
Starting from a Su-Schrieffer-Heeger-like model inferred from first-principles simulations, we show that the metal-insulator transition in In/Si(111) is a first-order grand canonic…
Coupled Landau-Zener-Stuckelberg Quantum Dot Interferometers
Fernando Gallego-Marcos, Rafael Sánchez, Gloria Platero
We investigate the interplay between long-range and direct photon-assisted transport in a triple quantum dot chain where local ac voltages are applied to the outer dots. We propose…
Channel Blockade in a Two-Path Triple-Quantum-Dot System
M. Kotzian, F. Gallego-Marcos, G. Platero +1
Electronic transport through a two-path triple-quantum-dot system with two source leads and one drain is studied. By separating the conductance of the two double dot paths, we are…