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EFFECTIVE-MEDIUM THEORY FOR GRANULAR HIGH-TC SUPERCONDUCTORS ELECTROMAGNETIC PROPERTIES IN THE MICROWAVE REGION

CHOY, TC; STONEHAM, AM; (1990) EFFECTIVE-MEDIUM THEORY FOR GRANULAR HIGH-TC SUPERCONDUCTORS ELECTROMAGNETIC PROPERTIES IN THE MICROWAVE REGION. J PHYS-CONDENS MAT , 2 (12) 2867 - 2871. 10.1088/0953-8984/2/12/010. Green open access

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Abstract

The authors extend to finite frequencies their recently developed effective-medium theory (EMT) for granular high-Tc superconductors (HTS). Here they present results for the electromagnetic properties in the microwave region, which is of potential significance for early commercial applications of HTS materials. Most of their discussions centre on generalisations of classical Mie scattering theory to spherical superconductor grains. However, there are important corrections to previous works on EMT at finite frequencies by Stroud and Pan (1978) and also Mahan (1988), which they discuss. Some illustrative numerical results are presented, deferring lengthy numerical computations and comparisons with experiments, to be published elsewhere.

Type: Article
Title: EFFECTIVE-MEDIUM THEORY FOR GRANULAR HIGH-TC SUPERCONDUCTORS ELECTROMAGNETIC PROPERTIES IN THE MICROWAVE REGION
Open access status: An open access version is available from UCL Discovery
DOI: 10.1088/0953-8984/2/12/010
Publisher version: http://dx.doi.org/10.1088/0953-8984/2/12/010
Language: English
Additional information: Text made available to UCL Discovery by kind permission of IOP Publishing, 2012
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology
URI: http://discovery.ucl.ac.uk/id/eprint/59627
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