Re: Actual photons?
From: Brian Tung (brian_at_isi.edu)
Date: 09/07/04
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Date: Tue, 7 Sep 2004 21:42:01 +0000 (UTC)
William C. Keel wrote:
> In a way - the "bias" simply arises from the fact that anywhere inside
> the Sun, there are slightly more random directions that go out than
> go in. In three dimensions, a rsndom walk has an endpoint that is,
> in the mean, moving away from the starting point as the cube root
> of the number of legs. (Not exactly applicable to the Sun,
> since these random walks don't have the same length and the
> mean free path changes with position, but that gets the idea across).
I think your interpretation makes sense, but even in three dimensions,
I think the mean distance still goes as the square root of the number
of steps.
Brian Tung <brian@isi.edu>
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