Towards a microwave single-photon counter for searching axions

AL Pankratov, LS Revin, AV Gordeeva… - npj Quantum …, 2022 - nature.com
The major task of detecting axions or axion-like particles has two challenges. On the one
hand, the ultimate sensitivity is required, down to the energy of a single microwave photon of …

Measurements of phase dynamics in planar Josephson junctions and SQUIDs

DZ Haxell, E Cheah, F Křížek, R Schott, MF Ritter… - Physical Review Letters, 2023 - APS
We experimentally investigate the stochastic phase dynamics of planar Josephson junctions
(JJs) and superconducting quantum interference devices (SQUIDs) defined in epitaxial …

Microwave photon detection by an Al Josephson junction

LS Revin, AL Pankratov, AV Gordeeva… - Beilstein Journal of …, 2020 - beilstein-journals.org
An aluminium Josephson junction (JJ), with a critical current suppressed by a factor of three
compared with the maximal value calculated from the gap, is experimentally investigated for …

Recent Achievements on the Physics of High-T C Superconductor Josephson Junctions: Background, Perspectives and Inspiration

F Tafuri, D Massarotti, L Galletti, D Stornaiuolo… - … of superconductivity and …, 2013 - Springer
Coherent passage of Cooper pairs in a Josephson junction (JJ) above the liquid nitrogen
temperature has been the first impressive revolutionary effect induced by high critical …

Influence of topological edge states on the properties of hybrid Josephson devices

L Galletti, S Charpentier, M Iavarone, P Lucignano… - Physical Review B, 2014 - APS
In superconductor-topological insulator-superconductor hybrid junctions, the barrier edge
states are expected to be protected against backscattering, to generate unconventional …

Giant diffusion of underdamped particles in a biased periodic potential

B Lindner, IM Sokolov - Physical Review E, 2016 - APS
We consider the diffusive properties of Brownian motion in a biased periodic potential. We
relate the effective diffusion coefficient to the solution of two coupled time-independent …

Giant diffusion of nanomechanical rotors in a tilted washboard potential

L Bellando, M Kleine, Y Amarouchene, M Perrin… - Physical Review Letters, 2022 - APS
We present an experimental realization of a biased optical periodic potential in the low
friction limit. The noise-induced bistability between locked (torsional) and running (spinning) …

Macroscopic quantum tunnelling in spin filter ferromagnetic Josephson junctions

D Massarotti, A Pal, G Rotoli, L Longobardi… - Nature …, 2015 - nature.com
The interfacial coupling of two materials with different ordered phases, such as a
superconductor (S) and a ferromagnet (F), is driving new fundamental physics and …

The generalized continuous multiple step (GCMS) potential: model systems and benchmarks

J Munguía-Valadez, MA Chávez-Rojo… - Journal of Physics …, 2022 - iopscience.iop.org
The generalized continuous multiple step (GCMS) potential is presented in this work. Its
flexible form allows for repulsive and/or attractive contributions to be encoded through …

Direct Transition from Quantum Escape to a Phase Diffusion Regime<? format?> in YBaCuO Biepitaxial Josephson Junctions

L Longobardi, D Massarotti, D Stornaiuolo, L Galletti… - Physical Review Letters, 2012 - APS
Dissipation encodes the interaction of a quantum system with the environment and regulates
the activation regimes of a Brownian particle. We have engineered grain boundary …