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Spiral and Scroll wave dynamics (Experiments and Theory)

o   Controlling Three Dimensional Vortices using Multiple and Moving External Fields, N. P. Das and S. Dutta, Phys. Rev. E, accepted for publication (2017).

 

o   Effects of Excitability on the Nature and Dynamics of Spiral waves, N. P. Das, D. Mahanta and S. Dutta, under review.

 

o   Dynamics and Control of Spiral and Scroll Waves, S. Dutta, N. P. Das, D. Mahanta, in Complexity and Synergetics, edited by S. C. Muller, P. J. Plath, G. Radons, A. Fuchs (Springer Publishers, Heidelberg, in press).

 

o   Pinning of scroll waves to flat and highly branched unexcitable heterogeneities, D. Mahanta, S. Dutta, and O. Steinbock, Phys. Rev. E, 95, 032204 (2017).

 

o   Interaction of scroll waves in an excitable medium: Reconnection and repulsion, N. P. Das and S. Dutta, Phys. Rev. E Rapid Communications, 91, 030901(R) (2015).

 

o   Unpinning of scroll waves under the influence of a thermal gradient, N. P. Das, D. Mahanta and S. Dutta, Phys. Rev. E, 90, 022916 (2014).

 

o   Spiral Defect Drift in the Wave Fields of Multiple Excitation Patterns, S. Dutta and O. Steinbock, Phys. Rev. E, 83, 056213 (2011).

 

o   Topologically Mismatched Pinning of Scroll Waves, S. Dutta and O. Steinbock, J. Phys. Chem. Lett. 2, 945 (2011).

 

o   Self-Avoiding Chiral Walks, S. Dutta and O. Steinbock, Int. J. Bif. Chaos, 20, No. 11 (2010).

 

o   Steady Motion of Hairpin-Shaped Vortex Filaments in Excitable Systems, S. Dutta and O. Steinbock, Phys. Rev. E Rapid Communications, 81, 055202(R) (2010).

 

Chemical gardens; Microtubes and Shells

o   Microtubes and Shells from Reactant Loaded Polymer Beads, Rabih Makki, Mohammed Al-Humiari, S. Dutta, Oliver Steinbock, Angew. Chem. Int. Ed. 48, 8752 (2009). [highlighted by G. Armstrong in Nature Chem. 1, 688 (2009)]

 

Theoretical studies on reaction-diffusion systems and their response to external stimuli

o   Effects of delay in a reaction-diffusion system under the influence of an electric field; S. Dutta and D. S. Ray, Phys. Rev. E, 77, 036202 (2008).

o   Thermodiffusion induced instabilities in reactive systems; S. Dutta and D. S. Ray, Phys. Rev. E, 75, 066206 (2007).

o   Magnetic field induced pattern formation in reactive membranes; S. Dutta and D. S. Ray, Phys. Rev. E, 75, 016205 (2007).

o   Electric field induced instabilities: Waves and stationary patterns; S. Dutta and D. S. Ray, Phys. Rev. E, 73, 026210 (2006).

o   Noise-induced instability: An approach based on higher-order moments; S. Dutta, S. S. Riaz and D. S. Ray, Phys. Rev. E 71, 036216 (2005).

o   Pattern formation induced by additive noise: A moment-based analysis; S. S. Riaz, S. Dutta, S. Kar and D. S. Ray, Eur. Phys. J. B 47, 255 (2005).

o   Electric field induced instability and pattern formation; S. Dutta, Research Journal of Contemporary Concerns, 3, 41 (2005).

 

Others

o   Diastereoselective Synthesis of 4-Substituted L-Prolines by Intramolecular Radical Cyclization of N-Aryl sulphonyl-N-allyl 3-bromoalanines: Interesting Dependence of Selectivity on the Nature of Sulphonamido Groups; A. Basak, S. S. Bag, K. R. Rudra, J. Barman, and S. Dutta, Chemistry Letters, 31, 710 (2002).