Time-delay-induced instabilities in reaction-diffusion systems

S Sen, P Ghosh, SS Riaz, DS Ray - … Review E—Statistical, Nonlinear, and Soft …, 2009 - APS
Time delay in the kinetic terms of reaction-diffusion systems has been investigated. It has
been shown that short delay beyond a critical threshold may induce spatiotemporal …

Control of the Hopf-Turing transition by time-delayed global feedback in a reaction-diffusion system

P Ghosh - Physical Review E—Statistical, Nonlinear, and Soft …, 2011 - APS
Application of time-delayed feedback is a practical method of controlling bifurcations in
reaction-diffusion systems. It has been shown that for a suitable feedback strength, time …

Unravelling diverse spatiotemporal orders in chlorine dioxide-iodine-malonic acid reaction-diffusion system through circularly polarized electric field and photo …

T Maiti, P Ghosh - The Journal of Chemical Physics, 2023 - pubs.aip.org
Designing and predicting self-organized pattern formation in out-of-equilibrium chemical
and biochemical reactions holds fundamental significance. External perturbations like light …

Deciphering electric field induced spatial pattern formation in the photosensitive chlorine-dioxide iodine malonic acid reaction and the Brusselator reaction-diffusion …

T Maiti, P Ghosh - The Journal of Chemical Physics, 2022 - pubs.aip.org
Reaction-diffusion systems involving ionic species are susceptible to an externally applied
electric field. Depending on the charges on the ionic species and the intensity of the applied …

Emergent spatiotemporal instabilities in reactive spatially extended systems by thermodiffusion

P Ghosh - Physical Review E, 2019 - APS
Thermodiffusion or thermophoresis or Soret effect, ie, mass-transport induced by thermal
gradient, has immense application in segregation of species in two or multicomponent …

Galerkin analysis of light-induced patterns in the chlorine dioxide–iodine–malonic acid reaction-diffusion system

P Ghosh, S Sen, SS Riaz, DS Ray - … Review E—Statistical, Nonlinear, and Soft …, 2009 - APS
The photosensitive chlorine dioxide–iodine–malonic acid reaction-diffusion system has
been an experimental paradigm for the study of Turing pattern over the last several years …

Unraveling the diverse nature of electric field induced spatial pattern formation in Gray-Scott model

A Giri, S Kar - The Journal of Chemical Physics, 2019 - pubs.aip.org
We have considered a Gray-Scott kind of model chemical reaction-diffusion system that
comprises ionic reactants and auto-catalysts to investigate the possibilities of mobility …

Rayleigh-type parametric chemical oscillation

S Ghosh, DS Ray - The Journal of Chemical Physics, 2015 - pubs.aip.org
We consider a nonlinear chemical dynamical system of two phase space variables in a
stable steady state. When the system is driven by a time-dependent sinusoidal forcing of a …

Selecting spatio-temporal patterns by substrate injection in a reaction-diffusion system

S Ghosh, DS Ray - The European Physical Journal B, 2015 - Springer
We have explored the growth of patterns in chlorine dioxide-iodine-malonic acid reaction-
diffusion system when the injection rate of the activator and inhibitor is varied over a range …

Complex dynamics of a Holling-type IV predator-prey model

L Zhang, W Wang, Y Xue, Z Jin - arXiv preprint arXiv:0801.4365, 2008 - arxiv.org
In this paper, we focus on a spatial Holling-type IV predator-prey model which contains
some important factors, such as diffusion, noise (random fluctuations) and external periodic …