Elements of a unified framework for response formulae
arXiv:1310.1747 · doi:10.1088/1742-5468/2014/01/P01002
Abstract
We provide a physical interpretation of the first and second order terms occurring in Ruelle's response formalism. We show that entropy fluxes play a major role in determining the response of the system to perturbations. Along this line, we show that our framework allows one to recover a wealth of previous results of response theory in both deterministic and stochastic contexts. In particular, we are able to shed light on the crosslinks between the dynamical systems approach á la Ruelle and large deviations methods.
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