Detection of a pair density wave state in UTe2

Q Gu, JP Carroll, S Wang, S Ran, C Broyles… - Nature, 2023 - nature.com
Spin-triplet topological superconductors should exhibit many unprecedented electronic
properties, including fractionalized electronic states relevant to quantum information …

Tunnelling dynamics between superconducting bound states at the atomic limit

H Huang, C Padurariu, J Senkpiel, R Drost, AL Yeyati… - Nature Physics, 2020 - nature.com
There is a limit to the miniaturization of every process, and for charge transport this is
realized by the coupling of two single discrete energy levels at the atomic scale. In …

Determining the temperature of a millikelvin scanning tunnelling microscope junction

T Esat, X Yang, F Mustafayev, H Soltner… - Communications …, 2023 - nature.com
Cooling the junction of a scanning tunneling microscope to millikelvin temperatures is
fundamental for high-resolution scanning tunneling spectroscopy. However, accurately …

Gate-controlled supercurrent in epitaxial Al/InAs nanowires

T Elalaily, O Kürtössy, Z Scherübl, M Berke… - Nano …, 2021 - ACS Publications
Gate-controlled supercurrent (GCS) in superconducting nanobridges has recently attracted
attention as a means to create superconducting switches. Despite the clear advantages for …

Superconducting quantum interference at the atomic scale

S Karan, H Huang, C Padurariu, B Kubala, A Theiler… - Nature Physics, 2022 - nature.com
A single spin in a Josephson junction can reverse the flow of the supercurrent by changing
the sign of the superconducting phase difference across it. At mesoscopic length scales …

Millikelvin scanning tunneling microscope at 20/22 T with a graphite enabled stick–slip approach and an energy resolution below 8 μeV: Application to conductance …

M Fernández-Lomana, B Wu, F Martín-Vega… - Review of Scientific …, 2021 - pubs.aip.org
We describe a scanning tunneling microscope (STM) that operates at magnetic fields up to
22 T and temperatures down to 80 mK. We discuss the design of the STM head, with an …

Dynamical Coulomb blockade as a local probe for quantum transport

J Senkpiel, JC Klöckner, M Etzkorn, S Dambach… - Physical Review Letters, 2020 - APS
Quantum fluctuations are imprinted with valuable information about transport processes.
Experimental access to this information is possible, but challenging. We introduce the …

Extracting transport channel transmissions in scanning tunneling microscopy using superconducting excess current

J Senkpiel, R Drost, JC Klöckner, M Etzkorn… - Physical Review B, 2022 - APS
Transport through quantum coherent conductors, such as atomic junctions, is described by
conduction channels. Information about the number of channels and their transmissions can …

Multiband Josephson effect in an atomic scale Pb tunnel junction

M Uhl, P Kot, R Drost, H Huang, J Ankerhold… - Physical Review …, 2024 - APS
Multiband superconductivity plays an important role in many emergent novel
superconductors and has attracted great interest over the years. Various related …

Interplay between evanescent scattering modes and finite dispersion in superconducting junctions

D Kruti, RP Riwar - Physical Review B, 2024 - APS
Superconducting junctions are essential building blocks for quantum hardware, and their
fundamental behavior remains a highly active research field. The behavior of generic …