Search Results - "Sposini, V"

Exact first-passage time distributions for three random diffusivity models by Grebenkov, D. S, Sposini, V, Metzler, R, Oshanin, G, Seno, F

“…J. Phys. A: Math. Theor. 54, 04LT01 (2021) We study the extremal properties of a stochastic process $x_t$ defined by a Langevin equation $\dot{x}_t=\sqrt{2 D_0…”
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First passage statistics for diffusing diffusivity by Sposini, V, Chechkin, A. V, Metzler, R

“…A rapidly increasing number of systems is identified in which the stochastic motion of tracer particles follows the Brownian law $\langle\mathbf{r}^2(t)…”
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Universal spectral features of different classes of random diffusivity processes by Sposini, V, Grebenkov, D. S, Metzler, R, Oshanin, G, Seno, F

“…Stochastic models based on random diffusivities, such as the diffusing-diffusivity approach, are popular concepts for the description of non-Gaussian…”
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Random diffusivity from stochastic equations: comparison of two models for Brownian yet non-Gaussian diffusion by Sposini, V, Chechkin, A. V, Seno, F, Pagnini, G, Metzler, R

“…New J. Phys. 20, 043044 (2018) A considerable number of systems have recently been reported in which Brownian yet non-Gaussian dynamics was observed. These are…”
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