The Journal of Chemical Physics· 2007Q1
On the microscopic basis of Newton’s law of cooling and beyond
- 2citations
- Q1SCImago
- 2007year
Short summary
Newton's law of cooling is faster at early times than predicted due to the dynamical feedback of the bath, especially when the system interacts with a small bath.
AI-generated from the title and abstract; the full text is not read.
Key points
- Newton's law of cooling's microscopic basis is explored.
- Large temperature differences lead to modifications of the law.
- The dynamical evolution of bath variables is crucial for system-bath interactions.
- Early-time cooling is faster than predicted by Newton's law due to bath feedback.
AI-generated from the title and abstract; the full text is not read.
Abstract
The microscopic basis of Newton's law of cooling and its modification when the difference in temperature between the system and the surroundings is very large is discussed. When the system of interest is interacting with a small bath, the effect of the dynamical evolution of the bath variables is important to find out its dynamical feedback on the system. As in the usual system-bath approach, however, the bath is finally considered to be in thermal equilibrium and thereby provides an effective generalization of the Born-Markov master equation. It is shown that the cooling at early time is faster than that predicted by Newton's law due to the dynamical feedback of the bath.
The authors' abstract, as published at the source. The Journal of Chemical Physics, 2007 · DOI ↗
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Field: Statistical and Nonlinear Physics
Statistical and Nonlinear PhysicsPhysics and Astronomy