Dynamics of polymer segments, polymer chains, and nanoparticles in polymer nanocomposite melts: A review
The addition of nanoparticles (NPs) to a polymer matrix, forming a polymer nanocomposite
(PNC), is known to alter the microscopic dynamic processes of both species which leads to …
(PNC), is known to alter the microscopic dynamic processes of both species which leads to …
Getting around the cell: physical transport in the intracellular world
Eukaryotic cells face the challenging task of transporting a variety of particles through the
complex intracellular milieu in order to deliver, distribute, and mix the many components that …
complex intracellular milieu in order to deliver, distribute, and mix the many components that …
Random diffusivity from stochastic equations: comparison of two models for Brownian yet non-Gaussian diffusion
A considerable number of systems have recently been reported in which Brownian yet non-
Gaussian dynamics was observed. These are processes characterised by a linear growth in …
Gaussian dynamics was observed. These are processes characterised by a linear growth in …
Packets of diffusing particles exhibit universal exponential tails
Brownian motion is a Gaussian process described by the central limit theorem. However,
exponential decays of the positional probability density function P (X, t) of packets of …
exponential decays of the positional probability density function P (X, t) of packets of …
Superstatistics and non-Gaussian diffusion
R Metzler - The European Physical Journal Special Topics, 2020 - Springer
Brownian motion and viscoelastic anomalous diffusion in homogeneous environments are
intrinsically Gaussian processes. In a growing number of systems, however, non-Gaussian …
intrinsically Gaussian processes. In a growing number of systems, however, non-Gaussian …
Triggering Gaussian-to-Exponential Transition of Displacement Distribution in Polymer Nanocomposites via Adsorption-Induced Trapping
In many disordered systems, the diffusion of classical particles is described by a
displacement distribution P (x, t) that displays exponential tails instead of Gaussian statistics …
displacement distribution P (x, t) that displays exponential tails instead of Gaussian statistics …
Unexpected crossovers in correlated random-diffusivity processes
The passive and active motion of micron-sized tracer particles in crowded liquids and inside
living biological cells is ubiquitously characterised by'viscoelastic'anomalous diffusion, in …
living biological cells is ubiquitously characterised by'viscoelastic'anomalous diffusion, in …
Non-Gaussian diffusion near surfaces
We study the diffusion of particles confined close to a single wall and in double-wall planar
channel geometries where the local diffusivities depend on the distance to the boundaries …
channel geometries where the local diffusivities depend on the distance to the boundaries …
Brownian motion and beyond: first-passage, power spectrum, non-Gaussianity, and anomalous diffusion
R Metzler - Journal of Statistical Mechanics: Theory and …, 2019 - iopscience.iop.org
Brownian motion is a ubiquitous physical phenomenon across the sciences. After its
discovery by Brown and intensive study since the first half of the 20th century, many different …
discovery by Brown and intensive study since the first half of the 20th century, many different …
Hopping behavior mediates the anomalous confined diffusion of nanoparticles in porous hydrogels
Diffusion is an essential means of mass transport in porous materials such as hydrogels,
which are appealing in various biomedical applications. Herein, we investigate the diffusive …
which are appealing in various biomedical applications. Herein, we investigate the diffusive …