Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Schobert, Arne"'
Autor:
Klebl, Lennart, Schobert, Arne, Sangiovanni, Giorgio, Balatsky, Alexander V., Wehling, Tim O.
Recent experiments demonstrate precise control over coherently excited phonon modes using high-intensity terahertz lasers, opening new pathways towards dynamical, ultrafast design of magnetism in functional materials. In this work, we put forward a c
Externí odkaz:
http://arxiv.org/abs/2403.13070
Autor:
Knispel, Timo, Berges, Jan, Schobert, Arne, van Loon, Erik G. C. P., Jolie, Wouter, Wehling, Tim, Michely, Thomas, Fischer, Jeison
Using scanning tunneling microscopy and spectroscopy, for a monolayer of transition metal dichalcogenide H-NbS$_2$ grown by molecular beam epitaxy on graphene, we provide unambiguous evidence for a charge density wave (CDW) with a 3$\times$3 superstr
Externí odkaz:
http://arxiv.org/abs/2307.13791
Autor:
Schobert, Arne, Berges, Jan, van Loon, Erik G. C. P., Sentef, Michael A., Brener, Sergey, Rossi, Mariana, Wehling, Tim O.
Publikováno v:
SciPost Phys. 16, 046 (2024)
The interplay of electronic and nuclear degrees of freedom presents an outstanding problem in condensed matter physics and chemistry. Computational challenges arise especially for large systems, long time scales, in nonequilibrium, or in systems with
Externí odkaz:
http://arxiv.org/abs/2303.07261
Publikováno v:
SciPost Phys. 11, 079 (2021)
Charge-density waves are responsible for symmetry-breaking displacements of atoms and concomitant changes in the electronic structure. Linear response theories, in particular density-functional perturbation theory, provide a way to study the effect o
Externí odkaz:
http://arxiv.org/abs/2104.09207
Autor:
van Efferen, Camiel, Berges, Jan, Hall, Joshua, van Loon, Erik, Kraus, Stefan, Schobert, Arne, Wekking, Tobias, Huttmann, Felix, Plaar, Eline, Rothenbach, Nico, Ollefs, Katharina, Arruda, Lucas Machado, Brookes, Nick, Schoenhoff, Gunnar, Kummer, Kurt, Wende, Heiko, Wehling, Tim, Michely, Thomas
In the standard model of charge density wave (CDW) transitions, the displacement along a single phonon mode lowers the total electronic energy by creating a gap at the Fermi level, making the CDW a metal--insulator transition. Here, using scanning tu
Externí odkaz:
http://arxiv.org/abs/2101.01140
Publikováno v:
Phys. Rev. B 101, 155107 (2020)
We present an ab initio approach for the calculation of phonon self-energies and their fluctuation diagnostics, which allows us to identify the electronic processes behind phonon anomalies. Application to the transition-metal-dichalcogenide monolayer
Externí odkaz:
http://arxiv.org/abs/1911.02450
Akademický článek
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Akademický článek
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Autor:
Knispel, Timo, Berges, Jan, Schobert, Arne, van Loon, Erik G. C. P., Jolie, Wouter, Wehling, Tim, Michely, Thomas, Fischer, Jeison
Publikováno v:
Nano Letters; 1/31/2024, Vol. 24 Issue 2, p1045-1051, 7p
Publikováno v:
Physical Review B, 101, 15
Physical Review B, 101
Physical Review B
Physical Review B, 101
Physical Review B
We present an ab initio approach for the calculation of phonon self-energies and their fluctuation diagnostics, which allows us to identify the electronic processes behind phonon anomalies. Application to the transition-metal-dichalcogenide monolayer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f82a8ac1878e8b4a2b5394fe27e88fda
https://doi.org/10.1103/PhysRevB.101.155107
https://doi.org/10.1103/PhysRevB.101.155107