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SKM 2023 – scientific programme

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SYFP: Symposium Physics of Fluctuating Paths

SYFP 1: Physics of Fluctuating Paths

SYFP 1.4: Invited Talk

Tuesday, March 28, 2023, 11:15–11:45, HSZ 01

Out-of-equilibrium dynamics of trapped Brownian particles — •Raul A. Rica — Universidad de Granada, Granada (Spain)

Micro and nanoparticles can be individually manipulated by different trapping mechanisms, among which optical tweezers and Paul traps are the most extended approaches. Trapped particles are subject to Brownian motion due to collisions with the molecules of the dispersing medium. Once trapped, the particles can be driven out of equilibrium under the action of external fields, giving rise to very rich dynamics. In this talk, we will discuss some of our work with trapped nanoparticles dispersed in different media, including water, air, and vacuum. We will present recent experimental results demonstrating the occurrence of anomalous relaxation processes, time asymmetries, and bistability with trapped particles.

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