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- W4386256036 abstract "The stochastic motion of a particle with long-range correlated increments (the moving phase) which is intermittently interrupted by immobilizations (the trapping phase) in a disordered medium is considered in the presence of an external drift. In particular, we consider trapping events whose times follow a scale-free distribution with diverging mean trapping time. We construct this process in terms of fractional Brownian motion with constant forcing in which the trapping effect is introduced by the subordination technique, connecting ``operational time'' with observable ``real time.'' We derive the statistical properties of this process such as non-Gaussianity and nonergodicity, for both ensemble and single-trajectory (time) averages. We demonstrate nice agreement with extensive simulations for the probability density function, skewness, kurtosis, as well as ensemble and time-averaged mean-squared displacements. We place a specific emphasis on the comparisons between the cases with and without drift." @default.
- W4386256036 created "2023-08-30" @default.
- W4386256036 creator A5035964487 @default.
- W4386256036 creator A5044662930 @default.
- W4386256036 creator A5087981903 @default.
- W4386256036 date "2023-08-29" @default.
- W4386256036 modified "2023-10-01" @default.
- W4386256036 title "Anomalous diffusion, non-Gaussianity, and nonergodicity for subordinated fractional Brownian motion with a drift" @default.
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