Nonadiabatic landau–zener–stückelberg–majorana transitions, dynamics, and interference
Since the pioneering works by Landau, Zener, Stückelberg, and Majorana (LZSM), it has
been known that driving a quantum two-level system results in tunneling between its states …
been known that driving a quantum two-level system results in tunneling between its states …
Quantum metric induced phases in moiré materials
We show that, quite generally, quantum geometry plays a major role in determining the low-
energy physics in strongly correlated lattice models at fractional band fillings. We identify …
energy physics in strongly correlated lattice models at fractional band fillings. We identify …
Dynamical stabilization of multiplet supercurrents in multiterminal Josephson junctions
The dynamical properties of multiterminal Josephson junctions (MT-JJs) have attracted
interest, driven by the promise of new insights into synthetic topological phases of matter …
interest, driven by the promise of new insights into synthetic topological phases of matter …
Quantum interferometer for quartets in superconducting three-terminal Josephson junctions
R Mélin, D Feinberg - Physical Review B, 2023 - APS
An interferometric device is proposed in order to analyze the quartet mode in biased three-
terminal Josephson junctions (TTJs), and to provide experimental evidence for the …
terminal Josephson junctions (TTJs), and to provide experimental evidence for the …
Proposal for detecting the -shifted Cooper quartet supercurrent
The multiterminal Josephson effect aroused considerable interest recently, in connection
with theoretical and experimental evidence for correlations among Cooper pairs, that is, the …
with theoretical and experimental evidence for correlations among Cooper pairs, that is, the …
Driven Andreev molecule
A Keliri, B Douçot - Physical Review B, 2023 - APS
We study the voltage-biased S-QD-S-QD-S Josephson junction, composed of three
superconductors (S) and two quantum dots (QDs). In the absence of an applied voltage, the …
superconductors (S) and two quantum dots (QDs). In the absence of an applied voltage, the …
Quartet tomography in multiterminal Josephson junctions
We investigate the detection of quartets in hybrid multiterminal Josephson junctions. Using
simple models of quantum dots coupled to superconducting leads, we find that quartets are …
simple models of quantum dots coupled to superconducting leads, we find that quartets are …
Non-Abelian monopoles in the multiterminal Josephson effect
In this Letter we present a detailed theoretical analysis for the spectral properties of Andreev
bound states in the multiterminal Josephson junctions by employing a symmetry-constrained …
bound states in the multiterminal Josephson junctions by employing a symmetry-constrained …
Self-heating effects and switching dynamics in graphene multiterminal Josephson junctions
We experimentally investigate the electronic transport properties of a three-terminal
graphene Josephson junction. We find that self-heating effects strongly influence the …
graphene Josephson junction. We find that self-heating effects strongly influence the …
Long-range coupling between superconducting quantum dots induced by periodic driving
A Keliri, B Douçot - Physical Review B, 2023 - APS
We consider a Josephson bijunction consisting of three superconducting reservoirs
connected through two quantum dots. In equilibrium, the interdot coupling is sizable only for …
connected through two quantum dots. In equilibrium, the interdot coupling is sizable only for …