Dynamical signatures of discontinuous phase transitions: How phase coexistence determines exponential versus power-law scaling

K Ptaszyński, M Esposito - Physical Review E, 2024 - APS
There are conflicting reports in the literature regarding the finite-size scaling of the
Liouvillian gap and dynamical fluctuations at discontinuous phase transitions, with various …

Parallel InAs nanowires for Cooper pair splitters with Coulomb repulsion

O Kürtössy, Z Scherübl, G Fülöp, IE Lukács… - npj Quantum …, 2022 - nature.com
Hybrid nanostructures consisting of two parallel InAs nanowires connected by an epitaxially
grown superconductor (SC) shell recently became available. Due to the defect-free SC …

Real-time observation of Cooper pair splitting showing strong non-local correlations

A Ranni, F Brange, ET Mannila, C Flindt… - Nature …, 2021 - nature.com
Controlled generation and detection of quantum entanglement between spatially separated
particles constitute an essential prerequisite both for testing the foundations of quantum …

Waiting time distribution and current correlations via a Majorana single-charge transistor

W Fu, SS Ke, Y Guo, HW Zhang, HF Lü - Physical Review B, 2022 - APS
We investigate the electron transport and the waiting time distribution (WTD) in a topological
superconducting Coulomb island system weakly coupled to two metallic leads. A pair of …

Quench dynamics of a correlated quantum dot sandwiched between normal-metal and superconducting leads

K Wrześniewski, B Baran, R Taranko, T Domański… - Physical Review B, 2021 - APS
Quantum system abruptly driven from its stationary phase can reveal nontrivial dynamics
upon approaching a new final state. We investigate here such dynamics for a correlated …

Efficient Cooper pair splitting without interactions

ES Tikhonov, VS Khrapai - Physical Review B, 2024 - APS
For the three-terminal NSN device with single-mode normal terminals and without Coulomb
blockade, we propose the interpretation of charge transfer process, which allows us to …

Nonlocal Andreev transport through a quantum dot in a magnetic field: Interplay between Kondo, Zeeman, and Cooper-pair correlations

M Hashimoto, Y Yamada, Y Tanaka, Y Teratani, T Kemi… - Physical Review B, 2024 - APS
We study the nonlocal magnetotransport through a strongly correlated quantum dot,
connected to multiple terminals consisting of two normal and one superconducting (SC) …

Dynamic Cooper pair splitter

F Brange, K Prech, C Flindt - Physical Review Letters, 2021 - APS
Cooper pair splitters are promising candidates for generating spin-entangled electrons.
However, the splitting of Cooper pairs is a random and noisy process, which hinders further …

Probing the exciton condensate via shot noise spectroscopy in superconducting hybrid structures based on excitonic insulators

B Wu, H Li - Physical Review B, 2024 - APS
We theoretically study the shot noise and the Fano factor in a voltage-biased junction
consisting of a bilayer excitonic insulator (EI) sandwiched between a bilayer semimetal (SM) …

[HTML][HTML] Nonequilibrium steady state full counting statistics in the noncrossing approximation

I Zemach, A Erpenbeck, E Gull, G Cohen - The Journal of Chemical …, 2024 - pubs.aip.org
Quantum transport is often characterized not just by mean observables like the particle or
energy current but by their fluctuations and higher moments, which can act as detailed …