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29 papers · 1 filter
Spin Orientation of Holes in Quantum Wells
R. Winkler, Dimitrie Culcer, S. J. Papadakis +2
This paper reviews the spin orientation of spin-3/2 holes in quantum wells. We discuss the Zeeman and Rashba spin splitting in hole systems that are qualitatively different from th…
Enhancement of valley susceptibility upon complete spin-polarization
Medini Padmanabhan, T. Gokmen, M. Shayegan
Measurements on a two-dimensional electron system confined to an AlAs quantum well reveal that for a given electron density the valley susceptibility, defined as the change in vall…
Effective mass suppression in dilute, spin-polarized two-dimensional electron systems
Medini Padmanabhan, T. Gokmen, N. C. Bishop +1
We report effective mass (m*) measurements, via analyzing the temperature dependence of the Shubnikov-de Haas oscillations, for dilute, interacting, two-dimensional electron system…
Entanglement Spectrum as a Generalization of Entanglement Entropy: Identification of Topological Order in Non-Abelian Fractional Quantum Hall Effect States
Hui Li, F. D. M. Haldane
We study the "entanglement spectrum" (a presentation of the Schmidt decomposition analogous to a set of "energy levels") of a many-body state, and compare the Moore-Read model wave…
Band Alignment in Molecular Devices: Influence of Anchoring Group and Metal Work Function
Jian-guo Wang, Emil Prodan, Roberto Car +1
We present periodic Density Functional Theory calculations of the electronic properties of molecular junctions formed by amine-, and thiol-terminated alkane chains attached to two…
Tunneling conductance of amine linked alkyl chains
Emil Prodan, Roberto Car
The tunneling transport theory developed in Phys. Rev. B {\bf 76}, 115102 (2007) is applied to molecular devices made of alkyl chains linked to gold electrodes via amine groups. Us…