Author

U. Seifert

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Preprint Sep 2026

Non-negative differential mobility of one-dimensional underdamped Langevin dynamics: Proof via mapping to a marginally stable oscillator

For an underdamped particle driven by a constant non-conservative force across a periodic potential in one spatial dimension at finite temperature, numerical studies have shown that the differential mobility is non-negative. Here, an analytical proof will be given that is based on expressing the differential mobility b...

U. Seifert · 0 citations

Preprint Aug 2026

Lower bounds on entropy production from dynamical correlation functions

Entropy production is a key property in stochastic thermodynamics. For partially observed and coarse-grained systems, its inference is challenging and typically rests on proven lower bounds. We derive two versions of such bounds based on the asymmetry of experimentally accessible two-time correlation functions of coars...

Paul Raux, Alexander M. Maier, U. Seifert · 0 citations