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8 papers · 2 filters
Charge Transport in a Polar Metal
Jialu Wang, Liangwei Yang, Carl Willem Rischau +6
The fate of electric dipoles inside a Fermi sea is an old issue, yet poorly-explored. SrCaTiO hosts a robust but dilute ferroelectricity in a narrow ($0.002<x<0.0…
Dynamic properties of high-Tc superconducting nano-junctions made with a focused helium ion beam
François Couëdo, Paul Amari, Cheryl Feuillet-Palma +5
The Josephson junction (JJ) is the corner stone of superconducting electronics and quantum information processing. While the technology for fabricating low JJ is mature and…
Doping-dependent competition between superconductivity and polycrystalline charge density waves
S. Caprara, M. Grilli, J. Lorenzana +1
From systematic analysis of the high pulsed magnetic field resistance data of LaSrCuO thin films, we extract an experimental phase diagram for several doping valu…
Effect of the Anomalous Diffusion of Fluctuating Cooper Pairs in the Density of States of Superconducting NbN Thin Films
Pietro Brighi, Marco Grilli, Brigitte Leridon +1
Recent scanning tunnelling microscopy experiments in NbN thin disordered superconducting films found an emergent inhomogeneity at the scale of tens of nanometers. This inhomogeneit…
Protected superconductivity at the boundaries of charge-density-wave domains
B. Leridon, J. Vanacken, V. Moshchalkov +7
Solid 4He may acquire superfluid characteristics due to the frustration of the solid phase at grain boundaries. Here, we show that an analogous effect occurs in systems with compet…
Non-linear characteristics in two-dimensional superconductors: Berezinskii-Kosterlitz-Thouless physics vs inhomogeneity
G. Venditti, J. Biscaras, S. Hurand +9
One of the hallmarks of the Berezinskii-Kosterlitz-Thouless (BKT) transition in two-dimensional (2D) superconductors is the universal jump of the superfluid density, that can be in…