METHODOLOGICAL NOTES

Quantum Nyquist formula and the applicability ranges of the Callen–Welton formula

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© 1987 American Institute of Physics
, , Citation Vitalii L Ginzburg and Lev P Pitaevskiĭ 1987 Sov. Phys. Usp. 30 168 DOI 10.1070/PU1987v030n02ABEH002813

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0038-5670/30/2/168

Abstract

We discuss Yu. L. Klimontovich's objections to the generally accepted derivations of the fluctuation-dissipation theorem and his proposed additional restrictions on the applicability of this theorem. We demonstrate that Yu. L. Klimontovich's arguments contradict the basic principles of statistical physics and hence cannot be correct.

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