861 citations
- B. Kniehl10 · h 57
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- Centre National de la Recherche ScientifiqueFR15 papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR11 papers
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- Istituto Nazionale di Fisica Nucleare, Sezione di BolognaIT10 papers
- Laboratoire AstroParticule et CosmologieFR10 papers
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11 papers · 1 filter
First-principles studies of water adsorption on graphene: The role of the substrate
Tim O. Wehling, Mikhail I. Katsnelson, Alexander I. Lichtenstein
We investigate the electronic properties of graphene upon water adsorption and study the influence of the SiO2 substrate in this context using density functional calculations. Perf…
Phonon mediated tunneling into graphene
T. O. Wehling, I. Grigorenko, A. I. Lichtenstein +1
Recent scanning tunneling spectroscopy experiments [V. W. Brar et. al., Appl. Phys. Lett. 91, 122102 (2007), Y. Zhang et. al., arXiv:0802.4315 (2008)] on graphene reported an unexp…
Midgap states in corrugated graphene: Ab-initio calculations and effective field theory
T. O. Wehling, A. V. Balatsky, A. M. Tsvelik +2
We investigate the electronic properties of corrugated graphene and show how rippling-induced pseudomagnetic fields alter graphene's low-energy electronic properties by combining f…
Imaging correlated wave functions of few-electron quantum dots: Theory and scanning tunneling spectroscopy experiments
Massimo Rontani, Elisa Molinari, Giuseppe Maruccio +7
We show both theoretically and experimentally that scanning tunneling spectroscopy (STS) images of semiconductor quantum dots may display clear signatures of electron-electron corr…
Correlation Effects in Wave Function Mapping of Molecular Beam Epitaxy Grown Quantum Dots
Giuseppe Maruccio, Martin Janson, Andreas Schramm +7
We investigate correlation effects in the regime of a few electrons in uncapped InAs quantum dots by tunneling spectroscopy and wave function (WF) mapping at high tunneling current…
Local impurity effects in superconducting graphene
T. O. Wehling, H. P. Dahal, A. I. Lichtenstein +1
We study the effect of impurities in superconducting graphene and discuss their influence on the local electronic properties. In particular, we consider the case of magnetic and no…