Circuit quantum electrodynamics of granular aluminum resonators
Sign Up to like & getrecommendations! Published in 2018 at "Nature Communications"
DOI: 10.1038/s41467-018-06386-9
Abstract: Granular aluminum (grAl) is a promising high kinetic inductance material for detectors, amplifiers, and qubits. Here we model the grAl structure, consisting of pure aluminum grains separated by thin aluminum oxide barriers, as a network… read more here.
Keywords: quantum electrodynamics; electrodynamics; granular aluminum; electrodynamics granular ... See more keywords
Kondo-like transport and magnetic field effect of charge carrier fluctuations in granular aluminum oxide thin films
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/s41598-018-32298-1
Abstract: Granular aluminum oxide is an attractive material for superconducting quantum electronics. However, its low-temperature normal state transport properties are still not fully understood, while they could be related to the unconventional phenomenon of the superconductivity… read more here.
Keywords: carrier fluctuations; aluminum oxide; charge carrier; granular aluminum ... See more keywords
Lumped element granular aluminum resonators with high kinetic inductances
Sign Up to like & getrecommendations! Published in 2021 at "AIP Advances"
DOI: 10.1063/5.0046910
Abstract: Recently, a new kind of distributed element superconducting resonators with granular aluminum (grAl) has been developed for circuit quantum electrodynamics. Given that lumped element resonators possess certain advantages over the distributed element ones, in this… read more here.
Keywords: resonators high; high kinetic; element superconducting; granular aluminum ... See more keywords
Optical conductivity of granular aluminum films near the Mott metal-to-insulator transition
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.99.224503
Abstract: We report measurements of the energy gap of granular aluminum films by THz spectroscopy. We find that as the grains progressively decouple, the coupling ratio $2\Delta(0)/k_{B}T_{c}$ increases above the BCS weak coupling ratio $3.53$, and… read more here.
Keywords: conductivity granular; optical conductivity; aluminum films; granular aluminum ... See more keywords
Implementation of a Transmon Qubit Using Superconducting Granular Aluminum
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review X"
DOI: 10.1103/physrevx.10.031032
Abstract: The high kinetic inductance offered by granular aluminum (grAl) has recently been employed for linear inductors in superconducting high-impedance qubits and kinetic inductance detectors. Due to its large critical current density compared to typical Josephson… read more here.
Keywords: transmon qubit; qubit using; aluminum; granular aluminum ... See more keywords