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2 votes
0 answers
452 views

Cover time for a biased random walk on an 'N'-dimensional integer lattice

Imagine that I have a random walk on an $N$-dimensional integer lattice, $Z^N$, of finite dimensions, $(d_1, ..., d_N)$, where boundaries are fully reflecting and the walker is initialized at some poi …
Rob Grey's user avatar
  • 599
13 votes
1 answer
1k views

How far can a particle travel from its origin if it exhibits self-avoiding Brownian motion i...

Let's say I have a point-like Brownian particle undergoing two-dimensional diffusion on an infinite plane with the caveat is that the particle can never return to a coordinate that it previously visit …
Rob Grey's user avatar
  • 599
2 votes
3 answers
297 views

How long does it take a Brownian particle to achieve a uniform probability distribution acro...

Imagine I have a point-like Brownian particle, with diffusion constant $D$, and I place it at some initial coordinate in a cage of known geometry. Assuming the volume $V$ of the cage is "everywhere" …
Rob Grey's user avatar
  • 599