On the Anomalous Flicker Noise Intensity in High-Temperature Superconductors

Details On the Anomalous Flicker Noise Intensity in High-Temperature Superconductors On the Anomalous Flicker Noise Intensity in High-Temperature Superconductors

2009-04-30

arxiv.org/abs/0904.4919v1

Physics

Condensed Matter

Superconductivity

5 pages

Scientific paper

The problem of anomalously high levels of flicker noise observed in the normal state of the high-temperature superconductors is addressed. It is argued that the anomaly is the result of incorrect normalization of the power spectra according to the Hooge formula. A careful analysis of the available experimental data is given, which shows that the scaling of the spectral power with sample size is essentially different from the inverse proportionality. It is demonstrated that the measured spectra obey the law given by the recently proposed quantum theory of fundamental flicker noise.

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