Superconducting Fluctuations Above the Critical Temperature in Bi2Sr2Ca1−x Y x Cu2O8+δ as Revealed by Microwave Absorption

Superconducting Fluctuations Above the Critical Temperature in Bi2Sr2Ca1−x Y x Cu2O8+δ as... The superconducting fluctuations above the critical temperature in Bi2Sr2Ca1−x Y x Cu2O8+δ (x = 0–0.3) single crystals are studied by microwave absorption (MWA). The maximum in the MWA temperature dependence was observed close to the critical temperature. Its formation is explained by the change of the quasiparticle density of states due to superconducting fluctuations. The fluctuation area boundary is plotted on the phase diagram using the variation of the MWA temperature dependence with the hole density and is compared with the pseudogap phase behavior. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Magnetic Resonance Springer Journals

Superconducting Fluctuations Above the Critical Temperature in Bi2Sr2Ca1−x Y x Cu2O8+δ as Revealed by Microwave Absorption

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Publisher
Springer Vienna
Copyright
Copyright © 2017 by Springer-Verlag GmbH Austria
Subject
Physics; Solid State Physics; Spectroscopy/Spectrometry; Atoms and Molecules in Strong Fields, Laser Matter Interaction; Physical Chemistry; Organic Chemistry
ISSN
0937-9347
eISSN
1613-7507
D.O.I.
10.1007/s00723-017-0912-y
Publisher site
See Article on Publisher Site

Abstract

The superconducting fluctuations above the critical temperature in Bi2Sr2Ca1−x Y x Cu2O8+δ (x = 0–0.3) single crystals are studied by microwave absorption (MWA). The maximum in the MWA temperature dependence was observed close to the critical temperature. Its formation is explained by the change of the quasiparticle density of states due to superconducting fluctuations. The fluctuation area boundary is plotted on the phase diagram using the variation of the MWA temperature dependence with the hole density and is compared with the pseudogap phase behavior.

Journal

Applied Magnetic ResonanceSpringer Journals

Published: Jul 4, 2017

References

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