Zobrazeno 1 - 10
of 269
pro vyhledávání: '"Swart, I."'
The hallmark of topological crystalline insulators is the emergence of a robust electronic state in a bandgap localized at the boundary of the material. However, end, edge, and surface states can also have a non-topological origin. Unfortunately, top
Externí odkaz:
http://arxiv.org/abs/2407.14465
Publikováno v:
Quantum Front 2, 1 (2023)
Zero-energy modes localized at the ends of one-dimensional (1D) wires hold great potential as qubits for fault-tolerant quantum computing. However, all the candidates known to date exhibit a wave function that decays exponentially into the bulk and h
Externí odkaz:
http://arxiv.org/abs/2201.02012
Muffin-tin methods have been instrumental in the design of honeycomb lattices that show, in contrast to graphene, separated s and in-plane p bands, a p orbital Dirac cone, and a p orbital flat band. Recently, such lattices have been experimentally re
Externí odkaz:
http://arxiv.org/abs/2104.06912
Autor:
Slot, M. R., Kempkes, S. N., Knol, E. J., van Weerdenburg, W. M. J., Broeke, J. J. van den, Wegner, D., Vanmaekelbergh, D., Khajetoorians, A. A., Smith, C. Morais, Swart, I.
Publikováno v:
Physical Review X 9, 011009 (2019)
Artificial electronic lattices, created atom by atom in a scanning tunneling microscope, have emerged as a highly tunable platform to realize and characterize the lowest-energy bands of novel lattice geometries. Here, we show that artificial electron
Externí odkaz:
http://arxiv.org/abs/1907.03568
Autor:
Freeney, S. E., Broeke, J. J. van den, van der Veen, A. J. J. Harsveld, Swart, I., Smith, C. Morais
Publikováno v:
Phys. Rev. Lett. 124, 236404 (2020)
Topological states of matter are robust quantum phases, characterised by propagating or localised edge states in an insulating bulk. Topological boundary states can be triggered by various mechanisms, for example by strong spin-orbit coupling. In thi
Externí odkaz:
http://arxiv.org/abs/1906.09051
Autor:
Kempkes, S. N., Slot, M. R., Broeke, J. J. van den, Capiod, P., Benalcazar, W. A., Vanmaekelbergh, D., Bercioux, D., Swart, I., Smith, C. Morais
Publikováno v:
Nature Materials 18, 1292-1297 (2019)
Quantum simulators are an essential tool for understanding complex quantum materials. Platforms based on ultracold atoms in optical lattices and photonic devices led the field so far, but electronic quantum simulators are proving to be equally releva
Externí odkaz:
http://arxiv.org/abs/1905.06053
One of the largest obstacles facing scanning probe microscopy is the constant need to correct flaws in the scanning probe in situ. This is currently a manual, time-consuming process that would benefit greatly from automation. Here we introduce a conv
Externí odkaz:
http://arxiv.org/abs/1903.09101
Autor:
Kempkes, S. N., Slot, M. R., Freeney, S. E., Zevenhuizen, S. J. M., Vanmaekelbergh, D., Swart, I., Smith, C. Morais
Publikováno v:
Nature Physics 15, 127-131 (2019)
The dimensionality of an electronic quantum system is decisive for its properties. In 1D electrons form a Luttinger liquid and in 2D they exhibit the quantum Hall effect. However, very little is known about the behavior of electrons in non-integer, i
Externí odkaz:
http://arxiv.org/abs/1803.04698
Publikováno v:
Phys. Rev. B 88, 075429 (2013)
We study the electronic structure of finite armchair graphene nanoribbons using density-functional theory and the Hubbard model, concentrating on the states localized at the zigzag termini. We show that the energy gaps between end-localized states ar
Externí odkaz:
http://arxiv.org/abs/1306.2723
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