Flicker-noise spectrum in weak-links-containing superconductors
classification
❄️ cond-mat.supr-con
cond-mat.dis-nn
keywords
noisespectrumfieldmagneticmodelappliedcalculatedcritical
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Low-frequency magnetic noise spectrum is calculated within the superconductive glass model. The model predicts the existence of both white noise and flicker-like noise f^{-z} with z strongly dependent on applied magnetic field and temperature. It is shown, in particular, that z increases with field from 0.5 to 1, and that in the critical region (near T_{c}(H)) the 1/sqrt{f} law should prevail in the noise spectrum.
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