2022
DOI: 10.1088/1751-8121/ac9765
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Discrete space-time resetting model: application to first-passage and transmission statistics

Abstract: We consider the dynamics of lattice random walks with resetting. The walker moving randomly on a lattice of arbitrary dimensions resets at every time step to a given site with a constant probability $r$. We construct a discrete renewal equation and present closed-form expressions for different quantities of the resetting dynamics in terms of the underlying reset-free propagator or Green's function. We apply our formalism to the biased random walk dynamics in one-dimensional unbounded space and show how one rec… Show more

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Cited by 12 publications
(13 citation statements)
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“…It would be also interesting to study the effects of spatial heterogeneity on the biased random walk dynamics in the presence of stochastic resetting [44]. A discrete renewal equation in the presence of stochastic resetting has been derived in [34], where working formula are presented to compute different quantities in terms of the reset-free propagator. To study resetting in heterogeneous space, one may use these formula with the propagators derived here.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…It would be also interesting to study the effects of spatial heterogeneity on the biased random walk dynamics in the presence of stochastic resetting [44]. A discrete renewal equation in the presence of stochastic resetting has been derived in [34], where working formula are presented to compute different quantities in terms of the reset-free propagator. To study resetting in heterogeneous space, one may use these formula with the propagators derived here.…”
Section: Discussionmentioning
confidence: 99%
“…Here we derive a first principle procedure to represent the DSDT dynamics of a biased random walker in a heterogeneous space of two media separated by an interface and having different diffusivities. We extend the lattice random walk formalism developed in [32][33][34] to heterogeneous space and show that depending on the position of the interface on a lattice, there exist two exclusive ways to model it: (a) Type A interface placed between two lattice points belonging to different media, and (b) Type B interface placed exactly on a lattice point shared by both media. Very recently, an analytic framework based on the DSDT random walk approach has been developed to study diffusion with inert heterogeneities [35].…”
Section: Introductionmentioning
confidence: 99%
“…Future research could be related to the investigation of ergodic properties of finite-velocity HDPs in absence and presence of resetting [35][36][37][94][95][96], including also corresponding higher-dimensional formulations [38,39]. Infiniteand finite-velocity HDPs in presence of time-dependent resetting [97], non-instantaneous [81,98] and space-time coupled returns [99], HDPs in presence of resetting in an interval [100,101] and bounded in complex potential [102], as well as discrete space-time resetting models [103] for HDPs, are other topics worth investigating.…”
Section: Discussionmentioning
confidence: 99%
“…Over the years, the effects of stochastic resetting have been investigated in a wide spectrum of dynamics, e.g. diffusion [2,[4][5][6][7][8][9][10], random walks [11,12], random walks on disordered lattices [13], Lévy flights [14], Bernoulli trials [15], discrete-time resets [16,17], active motion [18] and transport in cells [19], search problems [14,[20][21][22][23][24][25], RNA-polymerase dynamics [26,27], enzymatic reactions [28], dynamics of ecological systems [29,30], and in discussing Feynman-Kac path integral formalisms [31].…”
Section: Introductionmentioning
confidence: 99%