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Role of External Flow and Frame Invariance in Stochastic Thermodynamics
Thomas Speck, Jakob Mehl, Udo Seifert
For configurational changes of soft matter systems affected or caused by external hydrodynamic flow, we identify applied work, exchanged heat, and entropy change on the level of a…
Efficiency at maximum power: An analytically solvable model for stochastic heat engines
Tim Schmiedl, Udo Seifert
We study a class of cyclic Brownian heat engines in the framework of finite-time thermodynamics. For infinitely long cycle times, the engine works at the Carnot efficiency limit pr…
Stochastic thermodynamics: Principles and perspectives
Udo Seifert
Stochastic thermodynamics provides a framework for describing small systems like colloids or biomolecules driven out of equilibrium but still in contact with a heat bath. Both, a f…
Curvature-coupling dependence of membrane protein diffusion coefficients
Stefan M. Leitenberger, Ellen Reister-Gottfried, Udo Seifert
We consider the lateral diffusion of a protein interacting with the curvature of the membrane. The interaction energy is minimized if the particle is at a membrane position with a…
Characterizing Potentials by a Generalized Boltzmann Factor
V. Blickle, T. Speck, U. Seifert +1
Based on the concept of a nonequilibrium steady state, we present a novel method to experimentally determine energy landscapes acting on colloidal systems. By measuring the station…
The Einstein relation generalized to non-equilibrium
V. Blickle, T. Speck, C. Lutz +2
The Einstein relation connecting the diffusion constant and the mobility is violated beyond the linear response regime. For a colloidal particle driven along a periodic potential i…