Stefano Steffenoni
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View article: Active Brownian heat engines
Active Brownian heat engines Open
When do nonequilibrium forms of disordered energy qualify as heat? We address this question in the context of cyclically operating heat engines feeding on nonequilibrium energy reservoirs that defy the zeroth law of thermodynamics into wor…
View article: Physically consistent numerical solver for time-dependent Fokker-Planck equations
Physically consistent numerical solver for time-dependent Fokker-Planck equations Open
We present a simple thermodynamically consistent method for solving time-dependent Fokker-Planck equations (FPE) for overdamped stochastic processes, also known as Smoluchowski equations. It yields both transition and steady-state behavior…
View article: Efficient numerical solver for time-dependent Fokker-Planck equations
Efficient numerical solver for time-dependent Fokker-Planck equations Open
We present a simple but powerful method for solving time-dependent Fokker--Planck equations (FPE) for over-damped stochastic processes, also known as Smoluchowski equations. It yields both transition and steady-state behavior and allows fo…
View article: Microscopic derivation of the hydrodynamics of active-Brownian-particle suspensions
Microscopic derivation of the hydrodynamics of active-Brownian-particle suspensions Open
We derive the hydrodynamic equations of motion for a fluid of active particles described by underdamped Langevin equations that reduce to the active-Brownian-particle model, in the overdamped limit. The contraction into the hydrodynamic de…
View article: Interacting Brownian dynamics in a nonequilibrium particle bath
Interacting Brownian dynamics in a nonequilibrium particle bath Open
We set up a mesoscopic theory for interacting Brownian particles embedded in a nonequilibrium environment, starting from the microscopic interacting many-body theory. Using nonequilibrium linear-response theory, we characterize the effecti…