Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Steffensen, Gorm"'
Autor:
Bordin, Alberto, Evertsz', Florian J. Bennebroek, Steffensen, Gorm O., Dvir, Tom, Mazur, Grzegorz P., van Driel, David, van Loo, Nick, Wolff, Jan Cornelis, Bakkers, Erik P. A. M., Yeyati, Alfredo Levy, Kouwenhoven, Leo P.
Detection and control of Andreev Bound States (ABSs) localized at semiconductor-superconductor interfaces are essential for their use in quantum applications. Here we investigate the impact of ABSs on the supercurrent through a Josephson junction con
Externí odkaz:
http://arxiv.org/abs/2402.19284
Connecting two half-filled quantum dots to two superconducting leads induces a competition of bonds, with the dots forming either an interdot exchange bond or two individual Yu-Shiba-Rusinov (YSR) screening bonds with the leads. Defining a qubit usin
Externí odkaz:
http://arxiv.org/abs/2402.19261
Autor:
Karimi, Bayan, Steffensen, Gorm Ole, Higginbotham, Andrew P., Marcus, Charles M., Yeyati, Alfredo Levy, Pekola, Jukka P.
A Josephson junction (JJ) has been under intensive study ever since 1960's. Yet even in the present era of building quantum information processing devices based on many JJs, open questions regarding a single junction remain unsolved, such as quantum
Externí odkaz:
http://arxiv.org/abs/2402.09314
Autor:
Ibabe, Angel, Steffensen, Gorm O., Casal, Ignacio, Gomez, Mario, Kanne, Thomas, Nygard, Jesper, Yeyati, Alfredo Levy, Lee, Eduardo J. H.
Publikováno v:
Nano Lett. 24, 6488, 2024
Understanding heating and cooling mechanisms in mesoscopic superconductor-semiconductor hybrid devices is crucial for their application in quantum technologies. Owing to the poor thermal conductivity of typical devices, heating effects can drive supe
Externí odkaz:
http://arxiv.org/abs/2311.13229
Autor:
Ibabe, Angel, Gomez, Mario, Steffensen, Gorm O., Kanne, Thomas, Nygard, Jesper, Yeyati, Alfredo Levy, Lee, Eduardo J. H.
Publikováno v:
Nat Commun 14, 2873 (2023)
Hybrid superconductor-semiconductor devices offer highly tunable platforms, potentially suitable for quantum technology applications, that have been intensively studied in the past decade. Here we establish that measurements of the superconductor-to-
Externí odkaz:
http://arxiv.org/abs/2210.00569
Autor:
Steffensen, Gorm Ole, Saldaña, Juan Carlos Estrada, Vekris, Alexandros, Krogstrup, Peter, Grove-Rasmussen, Kasper, Nygård, Jesper, Yeyati, Alfredo Levy, Paaske, Jens
We demonstrate direct transport between two opposing sets of Yu-Shiba-Rusinov (YSR) subgap states realized in a double quantum dot. This sub-gap transport relies on intrinsic quasiparticle relaxation, but the tunability of the device allows us to exp
Externí odkaz:
http://arxiv.org/abs/2105.06815
Autor:
Bouman, Daniël, van Gulik, Ruben J. J., Steffensen, Gorm, Pataki, Dávid, Boross, Péter, Krogstrup, Peter, Nygård, Jesper, Paaske, Jens, Pályi, András, Geresdi, Attila
Publikováno v:
Phys. Rev. B 102, 220505 (2020)
Serial double quantum dots created in semiconductor nanostructures provide a versatile platform for investigating two-electron spin quantum states, which can be tuned by electrostatic gating and an external magnetic field. In this work, we directly m
Externí odkaz:
http://arxiv.org/abs/2008.04375
Autor:
Chatzopoulos, Damianos, Cho, Doohee, Bastiaans, Koen M., Steffensen, Gorm O., Bouwmeester, Damian, Akbari, Alireza, Gu, Genda, Paaske, Jens, Andersen, Brian M., Allan, Milan P.
Publikováno v:
Nature Communications 12, 298 (2021)
By using scanning tunneling microscopy (STM) we find and characterize dispersive, energy-symmetric in-gap states in the iron-based superconductor $\mathrm{FeTe}_{0.55}\mathrm{Se}_{0.45}$, a material that exhibits signatures of topological superconduc
Externí odkaz:
http://arxiv.org/abs/2006.12840
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