Publications
Research articles
V. Sposini, S. Nampoothiri, A. Chechkin, E. Orlandini, F. Seno, and F. Baldovin, Being Heterogeneous Is Advantageous: Extreme Brownian Non-Gaussian Searches, Phys. Rev. Lett. 132, 117101 (2024) 10.1103/PhysRevLett.132.117101
V. Sposini, S. Nampoothiri, A. Chechkin, E. Orlandini, F. Seno, and F. Baldovin, Being Heterogeneous is disdvantageous: Brownian Non-Gnussian searches, Phys. Rev. E 109, 034120 (2024) 10.1103/PhysRevE.109.034120
V. Sposini, C. N. Likos, and M. Camargo, Glassy phases of the Gaussian Core Model, Soft Matter 19, 9531 (2023) 10.1039/D3SM01314F
V. Sposini, D. Krapf, E. Marinari, R. Sunyer, F. Ritort, F. Taheri, C. Selhuber-Unkel, R. Benelli, M. Weiss, R. Metzler, and G. Oshanin, Towards a robust criterion of anomalous diffusion, Commun. Phys. 5, 305 (2022) 10.1038/442005-022-01079-8
V. Sposini, A. V. Chechkin, I. M. Sokolov, and S. Roldán-Vargas, Detecting temporal correlations in hopping dynamics in Lennard–Jones liquids, J. Phys. A: Math. Theor. 55, 324003 (2022) 10.1088/1751-8121/ac7e0a
D. S. Grebenkov, V. Sposini, R. Metzler, G. Oshanin, and F. Seno, Exact distributions of the maximum and range of random diffusivity processes, New J. Phys. 23, 023014 (2021) 10.1088/1367-2630/abd313
D. S. Grebenkov, V. Sposini, R. Metzler, G. Oshanin, and F .Seno, Exact first-passage time distributions for three random diffusivity models, J. Phys. A: Math. Theor. 54, 04LT01 (2021) 10.1088/1751-8121/abd42c
V. Sposini, D. S. Grebenkov, R. Metzler, G. Oshanin, and F .Seno, Universal spectral features of different classes of random diffusivity processes, New J. Phys. 22, 063056 (2020) 10.1088/1367-2630/ab9200
V. Sposini, R. Metzler, and G. Oshanin, Single-trajectory spectral analysis of scaled Brownian motion, New J. Phys. 21, 073043 (2019) 10.1088/1367-2630/ab2f52
O. Siliusarenko, S. Vitali, V. Sposini, P. Paradisi, A. V. Chechkin, G. Castellani and G. Pagnini, Finite-energy Lévy-type motion through heterogeneous ensemble of Brownian particles, J. Phys. A: Math. Theor. 52, 095601 (2019) 10.1088/1751-8121/aafe90
V. Sposini, A. V. Chechkin, and R. Metzler, First passage statistics for diffusing diffusivity, J. Phys. A: Math. Theor. 52, 04LT01 (2019) 10.1088/1751-8121/aaf6ff
M. D’Ovidio, S. Vitali ,V. Sposini, O. Siliusarenko, P. Paradisi, G. Castellani, and G. Pagnini, Center-of-mass like superposition of Ornstein-Uhlenbeck processes: a pathway to non-autonomous stochastic differential equations and fractional diffusion, FCAA 21, 1420 (2018) 10.1515/fca-2018-0074
V. Sposini, A.V. Chechkin, F. Seno, G. Pagnini, and R. Metzler, Random diffusivity from stochastic equations: comparison of two models for Brownian yet non-Gaussian diffusion, New J. Phys. 20, 043044 (2018) 10.1088/1367-2630/aab696
S. Vitali, V. Sposini, O. Siliusarenko, P. Paradisi, G. Castellani, and G. Pagnini, Langevin equation in complex media and anomalous diffusion, J. R. Soc. Interface 15, 20180282 (2018) 10.1098/rsif.2018.0282
Book Chapters
Y. Lanoislée, and V. Sposini, First-passage times for random diffusivity models, in preparation (2024).
V. Sposini, S. Vitali, P. Paradisi, and G. Pagnini, Fractional Diffusion and Medium Heterogeneity: The Case of the Continuous Time Random Walk, SEMA SIMAI Springer Series 26, 275 (2021) 10.1007/978-3-030-69236-0_14