Hydrodynamical field fluctuations in a non-equilibrium quasi-stationary state due to a temperature gradient
| Autor: | Stanisław Kielich, K. Knast, W. Chmielowski |
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| Rok vydání: | 1991 |
| Předmět: |
Statistics and Probability
Physics Number density Condensed matter physics Field (physics) Diffusion Energy–momentum relation State (functional analysis) Condensed Matter Physics Light scattering Brillouin zone Temperature gradient Thermal conductivity General theory Statistical physics Stationary state |
| Zdroj: | Physica A: Statistical Mechanics and its Applications. 170:624-642 |
| ISSN: | 0378-4371 |
| Popis: | We consider a system in a state of non-equilibrium due to the introduction of a temperature gradient. The essential problem of this paper is to determine, in their most general form, the fluctuation correlation functions for hydrodynamical fields. We use a notation which enables us to distinguish the contributions from the individual mechanisms: contributions from fluctuations in number density, momentum and energy; contributions appearing due to having taken into account fluctuations in sound velocity and the heat conductivity coefficient; and ones related with the presence of the temperature gradient. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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