Exchange Fluctuations in a Nonequilibrium Lorentz Gas


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Abstract

It has been shown that a correlation mechanism that is based on the exchange interaction and destroys the relation between distribution functions and response (Price relation) occurs in a nonequilibrium Lorentz gas (particles interact only with the thermostat). The physical nature of this phenomenon is that the scattering of particles of the gas in the same state on a single particle of the thermostat creates a flux of correlated pairs, which depends on the form of a nonequilibrium distribution function, making impossible the existence of a universal relation between distribution functions and response.

About the authors

V. V. Afonin

Ioffe Institute

Author for correspondence.
Email: vasili.afonin@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021

S. V. Gantsevich

Ioffe Institute

Email: vasili.afonin@mail.ioffe.ru
Russian Federation, St. Petersburg, 194021

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