Boundary layers in stochastic thermodynamics

Erik, Aurell and Carlos, Mejia-Monasterio and Paolo, Muratore-Ginanneschi (2011). Boundary layers in stochastic thermodynamics. "Physical Review Letters" ;


Title: Boundary layers in stochastic thermodynamics
  • Erik, Aurell
  • Carlos, Mejia-Monasterio
  • Paolo, Muratore-Ginanneschi
Item Type: Article
Título de Revista/Publicación: Physical Review Letters
Date: 2011
Faculty: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Department: Ingeniería Rural [hasta 2014]
UPM's Research Group: LPF-TAGRALIA
Creative Commons Licenses: Recognition - Non commercial

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We study the problem of optimizing released heat or dissipated work in stochastic thermodynamics. In the overdamped limit these functionals have singular solutions, previously interpreted as protocol jumps. We show that a regularization, penalizing a properly defined acceleration, changes the jumps into boundary layers of finite width. We show that in the limit of vanishing boundary layer width no heat is dissipated in the boundary layer, while work can be done. We further give a new interpretation of the fact that the optimal protocols in the overdamped limit are given by optimal deterministic transport (Burgers equation).

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Item ID: 9833
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Deposited by: Dr. Carlos Mejia-Monasterio
Deposited on: 13 Dec 2011 12:29
Last Modified: 20 Apr 2016 18:07
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