The Tc amplification by ” Shape Resonance” in doped MgB2. Bianconi, A., Agrestini, S., & Bussmann-Holder, A. Journal of Superconductivity, 17(2):205–209, April, 2004.
Paper doi abstract bibtex We have applied two channels (s and p) superconductivity model to the Al1-xMgxB2. Using the experimental data, we have calculated the strength of the interchannel pairing due to quantum interference effects, probed by the interband coupling parameter, and the two gaps as a function of the x. While in MgB2 the quantum interference effects gives an amplification of Tc by factor 1.5 in comparison with the dominant intra s band single channel pairing, in AlMgB4 the amplification is about 100, in comparison with the dominant intra p band single channel pairing.
@article{bianconi_tc_2004,
title = {The {Tc} amplification by ” {Shape} {Resonance}” in doped {MgB}2},
volume = {17},
issn = {0896-1107},
url = {http://dx.doi.org/10.1023/b:josc.0000021214.52321.ab},
doi = {10.1023/b:josc.0000021214.52321.ab},
abstract = {We have applied two channels (s and p) superconductivity model to the Al1-xMgxB2. Using the experimental data, we have calculated the strength of the interchannel pairing due to quantum interference effects, probed by the interband coupling parameter, and the two gaps as a function of the x. While in MgB2 the quantum interference effects gives an amplification of Tc by factor 1.5 in comparison with the dominant intra s band single channel pairing, in AlMgB4 the amplification is about 100, in comparison with the dominant intra p band single channel pairing.},
number = {2},
journal = {Journal of Superconductivity},
author = {Bianconi, Antonio and Agrestini, Stefano and Bussmann-Holder, Annette},
month = apr,
year = {2004},
keywords = {diboride, multigaps, shaperesonance, super, theory},
pages = {205--209}
}
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