Magnet Lab Summer School: Lecture Notes

Noise

Coin flip problem, photographic film, two slit experiment and sensitivity to initial conditions. Statistical mechanics Entropy, Temperature The glass of water with ink in it. Ergodic hypothesis. Fluctuation-dissipation theorem Johnson-Nyquist noise. Shot noise, Johnson noise and the effect of temperature on its observation. Resistance and transport in metals. Elastic scattering.

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