Building and optimising finite-time adiabatic processes in stochastic thermodynamics

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• Antonio Prados (Universidad de Sevilla)
• Friday 17 May 2019, 11:50-12:10
• Seminar Room 1, Newton Institute.

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DNMW03 - Optimal design of soft matter - including a celebration of Women in Materials Science (WMS)

In this talk, we address the building of finite-time adiabatic processes at the mesoscale, i.e. processes in which the average heat exchange between the system and its surroundings vanishes. Specifically, we consider a Brownian particle trapped by a harmonic potential and immersed in a fluid. Therein, we analyse some general properties and, in particular, we show that there emerges a minimum time for connecting two equilibrium states with such a finite-time adiabatic process. Also, we look into a different optimisation problem, namely that of the final temperature for a given connection time. Interestingly, we find out that this second problem is closely related to the first one: both of them are controlled by the same function. Finally, we discuss some perspectives for future work.

(In collaboration with Carlos A. Plata, David Guéry-Odelin and Emmanuel Trizac)

This talk is part of the Isaac Newton Institute Seminar Series series.

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