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9 papers · 2 filters
Polaron spectroscopy of a bilayer excitonic insulator
Ivan Amelio, Neil Drummond, Eugene Demler +2
Recent advances in fabrication of two dimensional materials and their moiré heterostructures have opened up new avenues for realization of ground-state excitonic insulators, where…
Thermal transport in nanoelectronic devices cooled by on-chip magnetic refrigeration
S. Autti, F. C. Bettsworth, K. Grigoras +8
On-chip demagnetization refrigeration has recently emerged as a powerful tool for reaching microkelvin electron temperatures in nanoscale structures. The relative importance of coo…
Renormalization approach to the analysis and design of Hermitian and non-Hermitian interfaces
Henning Schomerus
I describe a concrete and efficient real-space renormalization approach that provides a unifying perspective on interface states in a wide class of Hermitian and non-Hermitian mode…
Zero-average bias bidirectional single-electron current generation in a hybrid turnstile
Marco Marín-Suárez, Yuri A. Pashkin, Joonas T. Peltonen +1
Hybrid turnstiles have proven to generate accurate single-electron currents. The usual operation consists of applying a periodic modulation to a capacitively coupled gate electrode…
Suppression of back-tunnelling events in hybrid single-electron turnstiles by source-drain bias modulation
Marco Marín-Suárez, Yuri A. Pashkin, Joonas T. Peltonen +1
Accuracy of single-electron currents produced in hybrid turnstiles at high operation frequencies is, among other errors, limited by electrons tunnelling in the wrong direction. Inc…
Nonsymmorphic chiral symmetry and solitons in the Rice-Mele model
Rebecca E. J. Allen, Holly V. Gibbons, Alex M. Sherlock +2
The Rice-Mele model has two topological and spatially-inversion symmetric phases, namely the Su-Schrieffer-Heeger (SSH) phase with alternating hopping only, and the charge-density-…