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19 papers · 2 filters
Fragility of the Dirac Cone Splitting in Topological Crystalline Insulator Heterostructures
Craig M. Polley, Ryszard Buczko, Alexander Forsman +11
The 'double Dirac cone' 2D topological interface states found on the (001) faces of topological crystalline insulators such as PbSnSe feature degeneracies located awa…
Molecular junctions and molecular motors: Including Coulomb repulsion in electronic friction using nonequilibrium Green's functions
Miroslav Hopjan, Gianluca Stefanucci, Enrico Perfetto +1
We present a theory of molecular motors based on the Ehrenfest dynamics for the nuclear coordinates and the adiabatic limit of the Kadanoff-Baym equations for the current-induced f…
Probing charge and heat current noise by frequency-dependent temperature and potential fluctuations
Nastaran Dashti, Maciej Misiorny, Peter Samuelsson +1
The energetic properties of electron transport in mesoscopic and nanoscale conductors is of large current interest. Here we theoretically investigate the possibility of probing flu…
A phenomenological position and energy resolving Lindblad approach to quantum kinetics
Gediminas Kiršanskas, Martin Franckié, Andreas Wacker
A general theoretical approach to study the quantum kinetics in a system coupled to a bath is proposed. Starting with the microscopic interaction, a Lindblad master equation is est…
Distinguishing Majorana bound states from localized Andreev bound states by interferometry
Michael Hell, Karsten Flensberg, Martin Leijnse
Experimental evidence for Majorana bound states (MBSs) is so far mainly based on the robustness of a zero-bias conductance peak. However, similar features can also arise due to And…
A quantum-dot heat engine operating close to the thermodynamic efficiency limits
Martin Josefsson, Artis Svilans, Adam M. Burke +5
Cyclical heat engines are a paradigm of classical thermodynamics, but are impractical for miniaturization because they rely on moving parts. A more recent concept is particle-excha…