616 citations
- Hewlett-Packard (United Kingdom)GB14 papers
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- University of California, Santa BarbaraUS8 papers
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7 papers · 1 filter
Vertical distribution of nitrogen-vacancy centers in diamond formed by ion implantation and annealing
Charles Santori, Paul E. Barclay, Kai-Mei C. Fu +1
Etching experiments were performed that reveal the vertical distribution of optically active nitrogen-vacancy (NV) centers in diamond created in close proximity to a surface throug…
Lattice-Induced Double-Valley Degeneracy Lifting in Magnetic Field in Graphene
Igor A. Luk'yanchuk, Alexander M. Bratkovsky
We show that the recently discovered double-valley splitting of the low-lying Landau level(s) in the Quantum Hall Effect in graphene can be explained as perturbative orbital intera…
Quantum Conductance Oscillations in Metal/Molecule/Metal Switches at Room Temperature
Feng Miao, Douglas Ohlberg, Duncan Stewart +2
Conductance switching has been reported in many molecular junction devices, but in most cases has not been convincingly explained. We investigate conductance switching in Pt/steari…
Millisecond spin-flip times of donor-bound electrons in GaAs
Kai-Mei C. Fu, Wenzheng Yeo, Susan Clark +4
We observe millisecond spin-flip relaxation times of donor-bound electrons in high-purity n-GaAs . This is three orders of magnitude larger than previously reported lifetimes in n-…
Quantum entanglement generation with surface acoustic waves
G. Giavaras, J. H. Jefferson, A. Ramsak +2
We propose a scheme to produce spin entangled states for two interacting electrons. One electron is bound in a well in a semiconductor quantum wire and the second electron is trans…
Population inversion of driven two-level systems in a structureless bath
T. M. Stace, A. C. Doherty, S. D. Barrett
We derive a master equation for a driven double-dot damped by an unstructured phonon bath, and calculate the spectral density. We find that bath mediated photon absorption is impor…