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19 papers · 2 filters
Disordered topological metals
Julia S. Meyer, Gil Refael
Topological behavior can be masked when disorder is present. A topological insulator, either intrinsic or interaction induced, may turn gapless when sufficiently disordered. Nevert…
Thermodynamic and quantum bounds on nonlinear DC thermoelectric transport
Robert S. Whitney
I consider the non-equilibrium DC transport of electrons through a quantum system with a thermoelectric response. This system may be any nanostructure or molecule modeled by the no…
Metallic clusters on a model surface: quantum versus geometric effects
S. A. Blundell, Soumyajyoti Haldar, D. G. Kanhere
We determine the structure and melting behavior of supported metallic clusters using an ab initio density-functional-based treatment of intracluster interactions and an approximate…
Role of pseudospin in quasiparticle interferences in epitaxial graphene probed by high-resolution scanning tunneling microscopy
P. Mallet, I. Brihuega, S. Bose +4
Pseudospin, an additional degree of freedom related to the honeycomb structure of graphene, is responsible of many of the outstanding electronic properties found in this material.…
Infrared magneto-spectroscopy of graphite in tilted fields
N. A. Goncharuk, L. Nadvornik, C. Faugeras +2
The electronic structure of Bernal-stacked graphite subject to tilted magnetic fields has been investigated using infrared magneto-transmission experiments. With the increasing in-…
Multifunctional Devices and Logic Gates With Undoped Silicon Nanowires
Massimo Mongillo, Panayotis Spathis, Georgios Katsaros +2
We report on the electronic transport properties of multiple-gate devices fabricated from undoped silicon nanowires. Understanding and control of the relevant transport mechanisms…