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Showing 1–3 of 3 results

Advanced filters: Author: Fredrik Brange Clear advanced filters

Interacting electrons collide at a beam splitter

High-energy electrons that collide at a beam splitter repel each other because of strong Coulomb interactions, which could be harnessed for quantum information processing.

Fredrik Brange
Christian Flindt
News & Views11 May 2023
Nature Nanotechnology

Volume: 18, P: 696-697
Real-time observation of Cooper pair splitting showing strong non-local correlations

The splitting of Cooper pairs in superconductors has been challenging to detect experimentally. Here, the authors observe the real-time splitting of individual Cooper pairs in a superconducting device.

Antti Ranni
Fredrik Brange
Ville F. Maisi
ResearchOpen Access04 Nov 2021
Nature Communications

Volume: 12, P: 1-6
Reaching the ultimate energy resolution of a quantum detector

Quantum calorimeters can provide time-resolved measurement of single photons by converting them to detectable temperature changes. Here the authors demonstrate a calorimeter that reaches the lower bound of temperature resolution, determined by the coupling to its heat bath and associated fluctuations.

Bayan Karimi
Fredrik Brange
Jukka P. Pekola
ResearchOpen Access17 Jan 2020
Nature Communications

Volume: 11, P: 1-6