Phase engineering of anomalous Josephson effect derived from Andreev molecules

S Matsuo, T Imoto, T Yokoyama, Y Sato… - Science …, 2023 - science.org
A Josephson junction (JJ) is a key device for develo** superconducting circuits, wherein a
supercurrent in the JJ is controlled by the phase difference between the two …

Phase-dependent Andreev molecules and superconducting gap closing in coherently-coupled Josephson junctions

S Matsuo, T Imoto, T Yokoyama, Y Sato… - Nature …, 2023 - nature.com
The Josephson junction (JJ) is an essential element of superconducting (SC) devices for
both fundamental and applied physics. The short-range coherent coupling of two adjacent …

Demonstration of the nonlocal Josephson effect in Andreev molecules

DZ Haxell, M Coraiola, M Hinderling, SC Ten Kate… - Nano Letters, 2023 - ACS Publications
We perform switching current measurements of planar Josephson junctions (JJs) coupled by
a common superconducting electrode with independent control over the two …

Spin-degeneracy breaking and parity transitions in three-terminal Josephson junctions

M Coraiola, DZ Haxell, D Sabonis, M Hinderling… - Physical Review X, 2024 - APS
Hybrid Josephson junctions (JJs) realized in superconductor-semiconductor
heterostructures host fermionic modes known as Andreev bound states (ABSs). In these …

Charge sensing the parity of an Andreev molecule

D Van Driel, B Roovers, F Zatelli, A Bordin, G Wang… - PRX Quantum, 2024 - APS
The proximity effect of superconductivity on confined states in semiconductors gives rise to
various bound states such as Andreev bound states, Andreev molecules, and Majorana zero …

Nonreciprocal Josephson linear response

P Virtanen, TT Heikkilä - Physical Review Letters, 2024 - APS
We consider the finite-frequency response of multiterminal Josephson junctions and show
how nonreciprocity in them can show up at linear response, in contrast to the static …

Hidden symmetry in interacting-quantum-dot-based multiterminal Josephson junctions

P Zalom, M Žonda, T Novotný - Physical Review Letters, 2024 - APS
We study a multiterminal Josephson junction based on an interacting quantum dot coupled
to n superconducting BCS leads. Using an Anderson type model of a local level with an …

Proposal for detecting the -shifted Cooper quartet supercurrent

R Mélin, R Danneau, CB Winkelmann - Physical Review Research, 2023 - APS
The multiterminal Josephson effect aroused considerable interest recently, in connection
with theoretical and experimental evidence for correlations among Cooper pairs, that is, the …

Ground state topology of a four-terminal superconducting double quantum dot

L Teshler, H Weisbrich, J Sturm, RL Klees, G Rastelli… - SciPost Physics, 2023 - scipost.org
In recent years, various classes of systems were proposed to realize topological states of
matter. One of them are multiterminal Josephson junctions where topological Andreev …

Full counting statistics of Yu-Shiba-Rusinov bound states

DC Ohnmacht, W Belzig, JC Cuevas - Physical Review Research, 2023 - APS
With the help of scanning tunneling microscopy (STM) it has become possible to address
single magnetic impurities on superconducting surfaces and to investigate the peculiar …