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8 papers · 2 filters
Weak Localization in Graphene: Theory, Simulations and Experiments
M. Hilke, M. Massicotte, E. Whiteway +1
We provide a comprehensive picture of magnetotransport in graphene monolayers in the limit of non-quantizing magnetic fields. We discuss the effects of two carrier transport, weak…
Robustness of the helical edge states in topological insulators
Xue-Feng Wang, Yibin Hu, Hong Guo
Topological insulators (TI) are materials having an energy band gap in the bulk and conducting helical electronic states on the surface. The helical states are protected by time re…
Spin-echo dynamics of a heavy hole in a quantum dot
Xiaoya Judy Wang, Stefano Chesi, William A. Coish
We develop a theory for the spin-echo dynamics of a heavy hole in a quantum dot, accounting for both hyperfine- and electric-field-induced fluctuations. We show that a moderate app…
Anomalous magnetotransport through reflection-symmetric artificial molecules
B. D'Anjou, W. A. Coish
We calculate magnetotransport oscillations in current through a triple-quantum-dot molecule, accounting for higher harmonics (having flux period h/ne, with n an integer). For a ref…
Electron-phonon mediated heat flow in disordered graphene
Wei Chen, Aashish A. Clerk
We calculate the heat flux and electron-phonon thermal conductance in a disordered graphene sheet, going beyond a Fermi's Golden rule approach to fully account for the modification…
Implementation of atomically defined Field Ion Microscopy tips in Scanning Probe Microscopy
William Paul, Yoichi Miyahara, Peter Grütter
The Field Ion Microscope (FIM) can be used to characterize the atomic configuration of the apex of sharp tips. These tips are well suited for Scanning Probe Microscopy (SPM) since…