Arnab Atta

Indian Institute of Technology Kharagpur

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About

Arnab Atta is a rising force in interfacial fluid dynamics, whose work is reshaping our understanding of how magnetic fields control droplet behavior. His research centers on magnetowetting—the manipulation of liquid droplets using magnetic forces—with profound implications for soft robotics, microfluidics, and biomedical devices. In his highly cited 2024 paper, "Revisiting the Young’s model for ferrofluid droplets: Magnetowetting or magneto-dewetting?" (9 citations), Atta challenges classical wetting theory, revealing that magnetic fields can either enhance or reverse droplet spreading depending on field orientation and material properties. He further advances the field with "Magnetowetting Dynamics of Compound Droplets" (6 citations), where he elucidates the spreading mechanics of multi-phase droplets—a critical step toward designing micromixers, microreactors, and mechano-responsive artificial cells. By integrating magnetic actuation with droplet dynamics, Atta’s work opens new pathways for contactless fluid control in medical imaging and soft robotics. Though early in his career, his contributions are already shaping next-generation technologies that rely on precise, programmable droplet manipulation.