On the response of simple reactors to regular trains of pulses
Literature Information
Propagating pulses of concentration in an excitable system may carry information because regions of high concentration of a selected reagent may be associated with one logical state, and regions of low concentration with another. Spatially distributed reactors constructed of active (excitable) and passive areas in which reagents diffuse can be applied to transform such information. In this paper we consider a few examples of such reactors (a chemical diode, a cross junction switch) and study their response to a chemical input of high frequency. We demonstrate that the response of a signal processing device may depend on the input frequency.
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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.














