Results 1 to 10 of about 1,420 (90)

Linking critical temperature with electron localization for cavity-enhanced superconductivity [PDF]

open access: yesCommunications Physics
Predicting superconducting properties from first principles—especially in non-equilibrium conditions—is computationally intensive. Here, we propose a more efficient approach by using the electron localization function (ELF) as a proxy for estimating the ...
Omid Nourmofidi   +3 more
doaj   +2 more sources

Research and Design of the RF Cavity for an 11 MeV Superconducting Cyclotron

open access: yesApplied Sciences
In contrast to the room temperature cyclotron, the superconducting cyclotron’s high operational magnetic field and small extraction radius lead to a magnet design with a reduced radius.
Yue Wu   +4 more
doaj   +3 more sources

Entanglement in nonlinear two-qibit Tavis — Cummings model

open access: yesВестник Самарского университета: Естественнонаучная серия, 2023
In this work, we have studied the dynamics of entanglement of two identical superconducting qubits resonantly interacting with the one-mode field of a coplanar microwave cavity without loss through single-photon transitions in the presence of third- and ...
Rodion K. Zakharov, Eugene K. Bashkirov
doaj   +1 more source

Simulation study of direct current vacuum breakdown and its application to high-gradient accelerating structures [PDF]

open access: yesNuclear Technology and Radiation Protection, 2020
It is well known that radio frequency breakdown is one of the main limitations in high frequency accelerators. Similarities have been detected between breakdowns in direct current vacuum gaps and those in superconducting radio frequency cavities.
Radmilović-Rađenović Marija D.   +1 more
doaj   +1 more source

RF Losses in Superconducting Lead Cavities [PDF]

open access: yesIEEE Transactions on Nuclear Science, 1971
At the present time the only materials seriously considered for superconducting accelerators are lead and niobium. In the electron linacs under construction at Stanford and the University of Illinois cylindrical niobium cavities are being employed.
Tombrello, T. A., Leich, D. A.
openaire   +2 more sources

Cavity-driven Rabi oscillations between Rydberg states of atoms trapped on a superconducting atom chip

open access: yesPhysical Review Research, 2022
Hybrid quantum systems involving cold atoms and microwave resonators can enable cavity-mediated infinite-range interactions between atomic spin systems and realize atomic quantum memories and transducers for microwave-to-optical conversion.
Manuel Kaiser   +10 more
doaj   +1 more source

Direct evidence of microstructure dependence of magnetic flux trapping in niobium

open access: yesScientific Reports, 2021
Elemental type-II superconducting niobium is the material of choice for superconducting radiofrequency cavities used in modern particle accelerators, light sources, detectors, sensors, and quantum computing architecture.
Shreyas Balachandran   +6 more
doaj   +1 more source

Ageing of the residual surface resistance of superconducting lead cavities [PDF]

open access: yesApplied Physics Letters, 1972
Measurements of the residual surface resistance of superconducting lead cavities as a function of time during a period of a month showed an oscillating variation. An explanation of the ageing curves is proposed.
openaire   +2 more sources

Effect of mild baking on superconducting niobium cavities investigated by sequential nanoremoval

open access: yesPhysical Review Special Topics. Accelerators and Beams, 2013
The near-surface nanostructure of niobium determines the performance of superconducting microwave cavities. Subtle variations in surface nanostructure lead to yet unexplained phenomena such as the dependence of the quality factor of these resonating ...
A. Romanenko   +3 more
doaj   +1 more source

Niobium near-surface composition during nitrogen infusion relevant for superconducting radio-frequency cavities

open access: yesPhysical Review Accelerators and Beams, 2019
A detailed study of the near-surface structure and composition of Nb, the material of choice for superconducting radio-frequency accelerator (SRF) cavities, is of great importance in order to understand the effects of different treatments applied during ...
G. D. L. Semione   +11 more
doaj   +1 more source

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