Control of fluctuations and heavy tails for heat variation in the two-time measurement framework

Abstract : We study heat fluctuations in the two-time measurement framework. For bounded perturbations , we give sufficient ultraviolet regularity conditions on the perturbation for the moments of the heat variation to be uniformly bounded in time, and for the Fourier transform of the heat variation distribution to be analytic and uniformly bounded in time in a complex neighborhood of 0. On a set of canonical examples, with bounded and unbounded perturbations, we show that our ultraviolet conditions are essentially necessary. If the form factor of the perturbation does not meet our assumptions, the heat variation distribution exhibits heavy tails. The tails can be as heavy as preventing the existence of a fourth moment of the heat variation.
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Contributeur : Annalisa Panati <>
Soumis le : mercredi 7 février 2018 - 18:09:22
Dernière modification le : mardi 24 avril 2018 - 17:20:04

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  • HAL Id : hal-01703374, version 1

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Tristan Benoist, Annalisa Panati, Renaud Raquépas. Control of fluctuations and heavy tails for heat variation in the two-time measurement framework. 2018. 〈hal-01703374〉

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