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15 papers · 2 filters
Scanning tunneling microscopy with InAs nanowire tips
Kilian Flöhr, Kamil Sladek, H. Yusuf Günel +5
Indium arsenide nanowires grown by selective-area vapor phase epitaxy are used as tips for scanning tunneling microscopy (STM). The STM tips are realized by positioning the wires m…
Role of electronic excitations in magneto-Raman spectra of graphene
Oleksiy Kashuba, Vladimir I. Fal'ko
We investigate the signature of the low-energy electronic excitations in the Raman spectrum of monolayer and bilayer graphenes. The dominant contribution to the Raman spectra is du…
Laser-induced effects on the electronic features of graphene nanoribbons
Hernan L. Calvo, Pablo M. Perez-Piskunow, Stephan Roche +1
We study the interplay between lateral confinement and photon-induced processes on the electronic properties of illuminated graphene nanoribbons. We find that by tuning the device…
Kondo effect on the surface of 3D topological insulators: Signatures in scanning tunneling spectroscopy
Andrew K. Mitchell, Dirk Schuricht, Matthias Vojta +1
We investigate the scattering off dilute magnetic impurities placed on the surface of three-dimensional topological insulators. In the low-temperature limit, the impurity moments a…
Integrability-based analysis of the hyperfine-interaction -nduced decoherence in quantum dots
Alexandre Faribault, Dirk Schuricht
Using the Algebraic Bethe Ansatz in conjunction with a simple Monte Carlo sampling technique, we study the problem of the decoherence of a central spin coupled to a nuclear spin ba…
Suppression of 2π phase-slip due to hidden zero modes in one dimensional topological superconductors
David Pekker, Chang-Yu Hou, Doron L. Bergman +3
We study phase slips in one-dimensional topological superconducting wires. These wires have been proposed as building blocks for topologically protected qubits in which the quantum…