Have 1/f noise and (quantum) thermal noise the same physical causes?

Hoffmann, Michael H. W.
March 2000
AIP Conference Proceedings;2000, Vol. 511 Issue 1, p107
Academic Journal
Modern models on thermal noise are derived based on the quantum-theoretical fluctuation-dissipation theorem (F-D Theorem). Although 1/f-noise is apparently a fluctuation phenomenon, it is not (yet?) covered by the F-D theorem. The reason for that could be that the F-D theorem is subject to limiting assumptions that are not met for important experimental setups. It is expected that a rigorous revision of the F-D theorem will not only explain some discrepancies at the high end of the thermal noise spectrum but could also explain 1/f-noise on a very broad basis. © 2000 American Institute of Physics.


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