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Nonexistence of classical diamagnetism and nonequilibrium fluctuation theorems for charged particles on a curved surface
Punyabrata Pradhan, Udo Seifert
We show that the classical Langevin dynamics for a charged particle on a closed curved surface in a time-independent magnetic field leads to the canonical distribution in the long…
Fluctuation-Dissipation Theorem in Nonequilibrium Steady States
Udo Seifert, Thomas Speck
In equilibrium, the fluctuation-dissipation theorem (FDT) expresses the response of an observable to a small perturbation by a correlation function of this variable with another on…
Extended Fluctuation-Dissipation Theorem for Soft Matter in Stationary Flow
Thomas Speck, Udo Seifert
For soft matter systems strongly driven by stationary flow, we discuss an extended fluctuation-dissipation theorem (FDT). Beyond the linear response regime, the FDT for the stress…
Elastic capsules in shear flow: Analytical solutions for constant and time-dependent shear rates
Steffen Kessler, Reimar Finken, Udo Seifert
We investigate the dynamics of microcapsules in linear shear flow within a reduced model with two degrees of freedom. In previous work for steady shear flow, the dynamic phases of…
Optimal protocols for Hamiltonian and Schrödinger dynamics
Tim Schmiedl, Eckhard Dieterich, Peter-Simon Dieterich +1
For systems in an externally controllable time-dependent potential, the optimal protocol minimizes the mean work spent in a finite-time transition between given initial and final v…