Einstein’s theory of Brownian motion, which describes the random movement of particles in fluids, is widely used to model randomness throughout science. However, this revolutionary model only works when a fluid is static, or at equilibrium.
Now researchers from the University of Tsukuba, Queen Mary University of London, École Polytechnique Fédérale de Lausanne and Imperial College London, have presented a novel theory to explain observed particle movements in these dynamic environments.
Schematic of the microscopic interactions between active particles (green) and a passive tracer (blue)
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