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research article

Crossing velocities for an annealed random walk in a random potential

Kosygina, Elena
•
Mountford, Thomas  
2012
Stochastic Processes And Their Applications

We consider a random walk in an i.i.d. non-negative potential on the d-dimensional integer lattice. The walk starts at the origin and is conditioned to hit a remote location y on the lattice. We prove that the expected time under the annealed path measure needed by the random walk to reach y grows only linearly in the distance from y to the origin. In dimension 1 we show the existence of the asymptotic positive speed. (C) 2011 Elsevier B.V. All rights reserved.

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Type
research article
DOI
10.1016/j.spa.2011.08.008
Web of Science ID

WOS:000298899900012

Author(s)
Kosygina, Elena
Mountford, Thomas  
Date Issued

2012

Published in
Stochastic Processes And Their Applications
Volume

122

Start page

277

End page

304

Subjects

Random walk

•

Random potential

•

Annealed measure

•

Lyapunov exponents

•

Ballisticity

•

Random Environment

•

Large Deviations

•

Brownian-Motion

•

Exponents

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
PRST  
Available on Infoscience
February 23, 2012
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/78055
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