rf surface impedance of a two-band superconductor

Xiao, Binping; Reece, C. E.

doi:10.1103/PhysRevAccelBeams.22.053101

Title: rf surface impedance of a two-band superconductor

Journal Article · Mon May 06 00:00:00 EDT 2019 · Physical Review Accelerators and Beams

DOI:https://doi.org/10.1103/PhysRevAccelBeams.22.053101· OSTI ID:1511076

Xiao, Binping; Reece, C. E.

In this paper, we extend the Mattis-Bardeen theory to obtain the surface impedance of a two-band superconductor, and apply it to magnesium diboride (MgB₂) for radiofrequency (RF) superconductivity applications. The numerical calculations for MgB₂ are in good agreement with the previously published experimental results. The surface impedance properties are clearly dominated by the smaller gap, significantly limiting utility in the 10-20 K regime that might otherwise have been attractive.

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Research Organization:: Brookhaven National Lab. (BNL), Upton, NY (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Grant/Contract Number:: AC02-98CH10886; AC05-06OR23177; SC0012704

OSTI ID:: 1511076

Alternate ID(s):: OSTI ID: 1507107; OSTI ID: 1511819

Report Number(s):: BNL-211539-2019-JAAM; JLAB-ACC-18-2720; DOE/OR/23177-4452; arxiv:1803.08786; PRABCJ; 053101

Journal Information:: Physical Review Accelerators and Beams, Journal Name: Physical Review Accelerators and Beams Vol. 22 Journal Issue: 5; ISSN 2469-9888

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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