A generalization of the fluctuation-dissipation theorem for the case of excess noise

M.a Mikulinsky

Physica A: Statistical Mechanics and its Applications, 1978, vol. 94, issue 2, 354-360

Abstract: Electrical fluctuations proportional to the square of the external field are investigated in the case of quasi-equilibrium conditions. The binary correlation function, proportional to the square of the external field, is expressed in terms of the zero-field quaternary correlation function for both quantum and classical cases. This result can be considered as a generalization of the fluctuation-dissipation theorem. The 1/f spectrum is obtained as a consequence of the symmetry properties of the quaternary correlation function without consideration of the physical mechanisms responsible for the noise. The method of investigation of the 1/f spectrum through zero-field quaternary correlation function is discussed.

Date: 1978
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:94:y:1978:i:2:p:354-360

DOI: 10.1016/0378-4371(78)90104-8

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