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3 August 2021 Experimental realization of diffusion with stochastic resetting
Ofir Tal-Friedman, Arnab Pal, Amandeep Sekhon, Shlomi Reuveni, Yael Roichman
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Proceedings Volume 11798, Optical Trapping and Optical Micromanipulation XVIII; 117980K (2021) https://doi.org/10.1117/12.2596165
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States
Abstract
Stochastic resetting is prevalent in natural and man-made systems, giving rise to a long series of nonequilibrium phenomena. Diffusion with stochastic resetting serves as a paradigmatic model to study these phenomena but lacked a well-controlled platform by which it can be studied experimentally. Here, we report the experimental realization of colloid diffusion and resetting via holographic optical tweezers. We provide the first experimental corroboration of theoretical results and measure the energetic cost of resetting in steady-state and first-passage scenarios. In both cases, we show that this cost cannot be made arbitrarily small because of fundamental constraints on realistic resetting protocols.
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Ofir Tal-Friedman, Arnab Pal, Amandeep Sekhon, Shlomi Reuveni, and Yael Roichman "Experimental realization of diffusion with stochastic resetting", Proc. SPIE 11798, Optical Trapping and Optical Micromanipulation XVIII, 117980K (3 August 2021); https://doi.org/10.1117/12.2596165
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KEYWORDS
Diffusion
Stochastic processes
Holography
Optical tweezers
Particles
Systems modeling
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