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17 papers · 2 filters
1D-1D Coulomb Drag Signature of a Luttinger Liquid
D. Laroche, G. Gervais, M. P. Lilly +1
We report Coulomb drag measurements between vertically-integrated quantum wires separated by a barrier only 15 nm wide. The temperature dependence of the drag resistance is measure…
Quantum-Limited Amplification via Reservoir Engineering
A. Metelmann, A. A. Clerk
We describe a new kind of phase-preserving quantum amplifier which utilizes dissipative interactions in a parametrically-coupled three-mode bosonic system. The use of dissipative i…
Picosecond Dynamics of Internal Exciton Transitions in CdSe Nanorods
David G. Cooke, Peter Uhd Jepsen, Jun Yan Lek +3
The picosecond dynamics of excitons in colloidal CdSe nanorods are directly measured via their 1s to 2p-like internal transitions by ultra-broadband terahertz spectroscopy. Broaden…
Electric control of spin in monolayer WSe2 field effect transistors
Kui Gong, Lei Zhang, Dongping Liu +4
We report a first principles theoretical investigation of quantum transport in monolayer WSe2 field effect transistor (FET). Due to a strong spin-orbit interaction (SOI) and the at…
Conductivity of Si(111) - 7 x 7: the role of a single atomic step
Bruno V. C. Martins, Manuel Smeu, Hong Guo +1
The Si(111) - 7 x 7 surface is one of the most interesting semiconductor surfaces because of its complex reconstruction and fascinating electronic properties. While it is known tha…
Localisation and finite-size effects in graphene flakes
C. González-Santander, F. Domínguez-Adame, M. Hilke +1
We show that electron states in disordered graphene, with an onsite potential that induces inter-valley scattering, are localised for all energies at disorder as small as 1/6 of th…