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SUMMARY:A modelling framework for non-Gaussian transport in complex media
DTSTART:20260714T100000Z
DTEND:20260714T110000Z
DTSTAMP:20260727T053100Z
UID:indico-event-1890@indico.dfa.unipd.it
CONTACT:marco.baiesi@unipd.it
DESCRIPTION:Speakers: Vittoria Sposini (DFA UniPD)\n\nThe BioSoft@UNIPD se
 minar series brings together the soft matter and biophysics community of t
 he Department of Physics and Astronomy (DFA) at the University of Padua\, 
 focusing on experimental and theoretical advances. Check out the calendar 
 of upcoming seminars here: https://docs.google.com/spreadsheets/d/1Lwer76
 YmE11IhuvkLbehhgGR4V03mGQwxWAayklhwR0/edit?gid=0#gid=0.  \n \n\nTranspo
 rt phenomena in soft matter systems play a fundamental role in a wide rang
 e of biological and industrial processes. Over the last decades\, it has b
 ecome clear that the motion of diffusive tracers in complex and disordered
  environments often deviates from classical Gaussian statistics described 
 by standard Brownian motion\, instead exhibiting (almost) universally non-
 Gaussian behaviour. Both analytical and numerical studies have linked non-
 Gaussian diffusion to sample-to-sample variability and/or spatio-temporal 
 heterogeneity inherent to the system. My talk aims at exploring this pheno
 menon from two distinct yet complementary perspectives. \nIn the first pa
 rt\, I will present a general theoretical framework based on the concept o
 f subordination\, which captures the emergence of non-Gaussian diffusion a
 cross a broad class of complex systems. I will then focus on a specific ca
 se study\, investigating how system heterogeneity influences the emergence
  of non-Gaussian diffusion in the transport of colloidal nanoparticles thr
 ough a polymeric glassy matrix composed of star polymers. In particular\, 
 I will show that the emergence of arrested phase separation in this system
  interacts with the dynamics of the colloids in a non-trivial manner\, lea
 ding to complex\, multiscale phenomena. Overall\, these two perspectives t
 ogether highlight the importance of system heterogeneity in shaping transp
 ort behaviour in complex media.\n\n\nhttps://indico.dfa.unipd.it/event/189
 0/
LOCATION:P2A (Dipartimento di Fisica e Astronomia - Edificio Ricci-Curbast
 ro (ex-Paolotti))
URL:https://indico.dfa.unipd.it/event/1890/
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