Re: entropy in relativity

gsax:
>Hi
>
> I am curious about the role of entropy in relativity...
>
>If the simultaniety of 2 events is relative , then so is the amount of
>entropy which has increased....
>
>So do different frames measure different change in 'the amount of
>disorder'?
>

If two events are simultaneousm then the events are separated by
a spacelike interval. If two events are simultaneous in one frame,
the events are are simultaneous in every frame, since ds^2 is invariant.
No information can propagate over spacelike interval, so there is no
effect on the entropy.

.

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