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The Linear Theory of Fluctuations Arising from Diffusional Mechanisms-An Attempt at a Theory of Contact Noise
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1950
Year
Electrical ResistanceFluctuations ArisingEngineeringLinear TheoryThermal RadiationElectromagnetic CompatibilityResistance FluctuationsOptical PropertiesNoiseAnomalous DiffusionComputational ElectromagneticsElectrical EngineeringPhysicsStochastic ResonanceElectrical PropertyMicrowave SpectroscopySpectral DensitySpecific ResistanceEntropySpectroscopyNatural SciencesApplied PhysicsCondensed Matter PhysicsDiffusion ProcessQuantum ChaosContact NoiseElectrical Insulation
The spectral density is calculated for the electrical resistance when it is linearly coupled to a diffusing medium (particles or heat) undergoing thermally excited fluctuations. Specific forms of the spectral density are given for several types of coupling which arc simple and physically reasonable. The principal objective is the understanding of the frequency dependence of the resistance fluctuations in contacts, rectifying crystals, thin films, etc.