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9 papers · 2 filters
Hydrodynamic effects in interacting Fermi electron jets
Alexander O. Govorov, Jean J. Heremans
We theoretically study hydrodynamic phenomena originating from electron-electron collisions in a two-dimensional Fermi system. We demonstrate that an electron beam sweeping past an…
Correlated quantum percolation in the lowest Landau level
Nancy Sandler, Hamid Maei, Jane' Kondev
Our understanding of localization in the integer quantum Hall effect is informed by a combination of semi-classical models and percolation theory. Motivated by the effect of correl…
Spin-polarized reflection of electrons in a two-dimensional electron system
Hong Chen, J. J. Heremans, J. A. Peters +5
We present a method to create spin-polarized beams of ballistic electrons in a two-dimensional electron system in the presence of spin-orbit interaction. Scattering of a spin-unpol…
Magnetic field dependent transmission phase of a double dot system in a quantum ring
M. Sigrist, A. Fuhrer, T. Ihn +4
The Aharonov-Bohm effect is measured in a four-terminal open ring geometry based on a Ga[Al]As heterostructure. Two quantum dots are embedded in the structure, one in each of the t…
Spin-orbit coupling and intrinsic spin mixing in quantum dots
C. F. Destefani, S. E. Ulloa, G. E. Marques
Spin-orbit coupling effects are studied in quantum dots in InSb, a narrow-gap material. Competition between different Rashba and Dresselhaus terms is shown to produce wholesale cha…
Potential landscapes and induced charges near metallic islands in three dimensions
A. Weichselbaum, S. E. Ulloa
We calculate electrostatic potential landscapes for an external probe charge in the presence of a set of metallic islands. Our numerical calculation in three dimensions (3D)uses an…