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Diffusion coefficient of a Brownian particle in equilibrium and nonequilibrium: Einstein model and beyond
Jakub Spiechowicz, Ivan G. Marchenko, Peter Hänggi +1
Diffusion of small particles is omnipresent in a plentiful number of processes occurring in Nature. As such, it is widely studied and exerted in almost all branches of sciences. It…
Velocity multistability vs ergodicity breaking in a biased periodic potential
Jakub Spiechowicz, Peter Hänggi, Jerzy Łuczka
Multistability, i.e. the coexistence of several attractors for a given set of system parameters is one of the most important phenomena occurring in dynamical systems. We consider i…
Comment on "Measurability of nonequilibrium thermodynamics in terms of the Hamiltonian of mean force"
Peter Talkner, Peter Hänggi
In a recent paper [P. Strasberg and M. Esposito, Phys. Rev. E {\bf 101}, 050101(R) (2020)] an attempt is presented to formulate the nonequilibrium thermodynamics of an open system…
{\it Colloquium:} Statistical Mechanics and Thermodynamics at Strong Coupling: Quantum and Classical
Peter Talkner, Peter Hänggi
The statistical mechanical description of small systems staying in thermal equilibrium with an environment can be achieved by means of the Hamiltonian of mean force. In contrast to…
Comment on "Experimental Verification of a Jarzynski-Related Information-Theoretic Equality by a Single Trapped Ion" PRL 120 010601 (2018)
Michele Campisi, Peter Hänggi
The target paper presents an experimental verification of a "Jarzynski-related" equality. We show that the latter equality is in fact not related to the Jarzynski equality.
Merits and Qualms of Work Fluctuations in Classical Fluctuation Theorems
Jiawen Deng, Alvis Mazon Tan, Peter Hanggi +1
Work is one of the most basic notion in statistical mechanics, with work fluctuation theorems being one central topic in nanoscale thermodynamics. With Hamiltonian chaos commonly t…