Results 51 to 60 of about 347,242 (278)
Supersymmetric time-continuous discrete random walks
Physical Review E, 1995 replaced with published version, 2 figures available from HCR, no essential changes, 11 pages of ...
Rosu, Haret C., Reyes, Marco
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Structural and temporal heterogeneities on networks
Applied Network Science, 2019 A heterogeneous continuous time random walk is an analytical formalism for studying and modeling diffusion processes in heterogeneous structures on microscopic and macroscopic scales.
Liubov Tupikina, Denis S. Grebenkov
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Austrian Journal of Statistics, 2023 For a continuous-time lattice random walk $X^\Lambda=\set{X^\Lambda_t,t\ge 0}$ in a random environment $\Lambda$, we study the asymptotic behavior, as $t\rightarrow \infty$, of the normalized additive functional $c_t\int_0^{t} f(X^\Lambda_s)ds$, $t\ge 0$
Georgiy Shevchenko, Andrii Yaroshevskiy
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Quantum walk on a chimera graph
New Journal of Physics, 2018 We analyse a continuous-time quantum walk on a chimera graph, which is a graph of choice for designing quantum annealers, and we discover beautiful quantum walk features such as localization that starkly distinguishes classical from quantum behaviour ...
Shu Xu +5 more
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Continuous Time Random Walk and Migration Proliferation Dichotomy
, 2015 A theory of fractional kinetics of glial cancer cells is presented. A role of the migration-proliferation dichotomy in the fractional cancer cell dynamics in the outer-invasive zone is discussed an explained in the framework of a continuous time random ...
Iomin, A.
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Continuous-time random walks and traveling fronts [PDF]
Physical Review E, 2002 We present a geometric approach to the problem of propagating fronts into an unstable state, valid for an arbitrary continuous-time random walk with a Fisher-Kolmogorov-Petrovski-Piskunov growth/reaction rate. We derive an integral Hamilton-Jacobi type equation for the action functional determining the position of reaction front and its speed.
Fedotov, Sergei, Méndez, Vicenç
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Doubly stochastic continuous time random walk
Physical Review ResearchSince its introduction some 60 years ago, the Montroll-Weiss continuous time random walk has found numerous applications due its ease of use and ability to describe both regular and anomalous diffusion. Yet, despite its broad applicability and generality,
Maxence Arutkin, Shlomi Reuveni
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Mathematics, 2020 The Scher–Montroll model successfully describes subdiffusive photocurrents in homogeneously disordered semiconductors. The present paper generalizes this model to the case of fractal spatial disorder (self-similar random distribution of localized states)
Renat T. Sibatov
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Langevin formulation of a subdiffusive continuous time random walk in physical time [PDF]
, 2015 Systems living in complex non equilibrated environments often exhibit subdiffusion characterized by a sublinear power-law scaling of the mean square displacement. One of the most common models to describe such subdiffusive dynamics is the continuous time
Baule, Adrian, Cairoli, Andrea
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Non-linear continuous time random walk models [PDF]
The European Physical Journal B, 2017 A standard assumption of continuous time random walk (CTRW) processes is that there are no interactions between the random walkers, such that we obtain the celebrated linear fractional equation either for the probability density function of the walker at a certain position and time, or the mean number of walkers.
Stage, Helena, Fedotov, S.
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