Colloquium: Inclusions, boundaries, and disorder in scalar active matter
Active systems are driven out of equilibrium by exchanging energy and momentum with their
environment. This endows them with anomalous mechanical properties that are reviewed in …
environment. This endows them with anomalous mechanical properties that are reviewed in …
Exact position distribution of a harmonically confined run-and-tumble particle in two dimensions
We consider an overdamped run-and-tumble particle in two dimensions, with self-propulsion
in an orientation that stochastically rotates by 90∘ at a constant rate, clockwise or …
in an orientation that stochastically rotates by 90∘ at a constant rate, clockwise or …
Macroscopic fluctuation theory and current fluctuations in active lattice gases
We study the current large deviations for a lattice model of interacting active particles
displaying a motility-induced phase separation (MIPS). To do this, we first derive the exact …
displaying a motility-induced phase separation (MIPS). To do this, we first derive the exact …
Generalized disorder averages and current fluctuations in run and tumble particles
We present exact results for the fluctuations in the number of particles crossing the origin up
to time t in a collection of noninteracting run and tumble particles in one dimension. In …
to time t in a collection of noninteracting run and tumble particles in one dimension. In …
Nonequilibrium steady state for harmonically confined active particles
We study the full nonequilibrium steady-state distribution P st (X) of the position X of a
damped particle confined in a harmonic trap** potential and experiencing active noise …
damped particle confined in a harmonic trap** potential and experiencing active noise …
Large deviations in statistics of the local time and occupation time for a run and tumble particle
We investigate the statistics of the local time T=∫ 0 T δ (x (t)) dt that a run and tumble
particle (RTP) x (t) in one dimension spends at the origin, with or without an external drift. By …
particle (RTP) x (t) in one dimension spends at the origin, with or without an external drift. By …
Entropy production and its large deviations in an active lattice gas
Active systems are characterized by a continuous production of entropy at steady state. We
study the statistics of entropy production within a lattice-based model of interacting active …
study the statistics of entropy production within a lattice-based model of interacting active …
Tricritical behavior in dynamical phase transitions
We identify a new scenario for dynamical phase transitions associated with time-integrated
observables occurring in diffusive systems described by the macroscopic fluctuation theory …
observables occurring in diffusive systems described by the macroscopic fluctuation theory …
Large deviations in the symmetric simple exclusion process with slow boundaries: A hydrodynamic perspective
We revisit the one-dimensional model of the symmetric simple exclusion process slowly
coupled with two unequal reservoirs at the boundaries. In its non-equilibrium stationary …
coupled with two unequal reservoirs at the boundaries. In its non-equilibrium stationary …
Nonequilibrium steady state of trapped active particles
NR Smith - Physical Review E, 2023 - APS
We consider an overdamped particle with a general physical mechanism that creates noisy
active movement (eg, a run-and-tumble particle or active Brownian particle, etc.), that is …
active movement (eg, a run-and-tumble particle or active Brownian particle, etc.), that is …