On time-dependent diffusion coefficients arising from stochastic processes with memory

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M. Victoria Carpio-Bernido, Wilson I. Barredo, Christopher C. Bernido

2017 AIP Conference Proceedings Vol. 1871 Conference paper Cited by 1 Quartile

Abstract

Time-dependent diffusion coefficients arise from anomalous diffusion encountered in many physical systems such as protein transport in cells. We compare these coefficients with those arising from analysis of stochastic processes with memory that go beyond fractional Brownian motion. Facilitated by the Hida white noise functional integral approach, diffusion propagators or probability density functions (pdf) are obtained and shown to be solutions of modified diffusion equations with time-dependent diffusion coefficients. This should be useful in the study of complex transport processes. © 2017 Author(s).

Affiliations

Research Center for Theoretical Physics, Central Visayan Institute Foundation, Jagna, Bohol, 6308, Philippines; Physics Department, University of San Carlos, Cebu City, 6000, Philippines; Physics Department, MSU, Iligan Institute of Technology, Iligan City, 9200, Philippines; Physics Department, Mindanao State University (MSU), Marawi City, 9700, Philippines