449 citations
- Technical University of DenmarkDK52 papers
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- Centre National de la Recherche ScientifiqueFR3 papers
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- Donostia International Physics CenterES3 papers
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7 papers · 1 filter
Unravelling the role of inelastic tunneling into pristine and defected graphene
Mattias L. N. Palsgaard, Nick P. Andersen, Mads Brandbyge
We present a first principles method for calculating the inelastic electron tunneling spectroscopy (IETS) on gated graphene. We reproduce experiments on pristine graphene and point…
Scattering of two photons on a quantum emitter in a one-dimensional waveguide: Exact dynamics and induced correlations
Anders Nysteen, Philip Trøst Kristensen, Dara P. S. McCutcheon +2
We develop a wavefunction approach to describe the scattering of two photons on a quantum emitter embedded in a one-dimensional waveguide. Our method allows us to calculate the exa…
Out- versus in-plane magnetic anisotropy of free Fe and Co nanocrystals: tight-binding and first-principles studies
Dongzhe Li, Cyrille Barreteau, Martin R. Castell +2
We report tight-binding (TB) and Density Function Theory (DFT) calculations of magnetocrystalline anisotropy energy (MAE) of free Fe (body centerd cubic) and Co (face centered cubi…
Current-induced forces: a simple derivation
Tchavdar N. Todorov, Daniel Dundas, Jing-Tao Lü +2
We revisit the problem of forces on atoms under current in nanoscale conductors. We derive and discuss the five principal kinds of force under steady-state conditions from a simple…
A roundtrip matrix method for calculating the leaky resonant modes of open nanophotonic structures
Jakob Rosenkrantz de Lasson, Philip Trøst Kristensen, Jesper Mørk +1
We present a numerical method for calculating quasi-normal modes of open nanophotonic structures. The method is based on scattering matrices and a unity eigenvalue of the roundtrip…
From surface to volume plasmons in hyperbolic metamaterials: General existence conditions for bulk high-k waves in metal-dielectric and graphene-dielectric multilayers
Sergei V. Zhukovsky, Andrei Andryieuski, J. E. Sipe +1
We theoretically investigate general existence conditions for broadband bulk large-wavevector (high-k) propagating waves (such as volume plasmon polaritons in hyperbolic metamateri…