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Re: More Really Is Different

Posted by Russell Standish on Oct 18, 2008; 5:28am
URL: http://friam.383.s1.nabble.com/More-Really-Is-Different-tp1346669p1348125.html

I'm not sure why this result is surprising really?

Cheers

On Fri, Oct 17, 2008 at 04:04:16PM -0400, Ian P. Cook wrote:

> All,
>
> Being geographically separate from the corpus of folks on this list, the
> reason for this email may have already been discussed, debunked, railed at,
> lauded, etc. But since I don't think I've seen it on the mailing list I
> thought I'd take a swing at passing it on. If I've made a mis-step, my
> apoligies.
>
> http://arxiv.org/abs/0809.0151
> More Really is Different Authors: Mile
> Gu<http://arxiv.org/find/cond-mat/1/au:+Gu_M/0/1/0/all/0/1>,
> Christian Weedbrook<http://arxiv.org/find/cond-mat/1/au:+Weedbrook_C/0/1/0/all/0/1>,
> Alvaro Perales<http://arxiv.org/find/cond-mat/1/au:+Perales_A/0/1/0/all/0/1>,
> Michael A. Nielsen<http://arxiv.org/find/cond-mat/1/au:+Nielsen_M/0/1/0/all/0/1>
>
> In 1972, P.W.Anderson suggested that `More is Different', meaning that
> complex physical systems may exhibit behavior that cannot be understood only
> in terms of the laws governing their microscopic constituents. We strengthen
> this claim by proving that many macroscopic observable properties of a
> simple class of physical systems (the infinite periodic Ising lattice)
> cannot in general be derived from a microscopic description. This provides
> evidence that emergent behavior occurs in such systems, and indicates that
> even if a `theory of everything' governing all microscopic interactions were
> discovered, the understanding of macroscopic order is likely to require
> additional insights.
>
> And commentary from NewScientist:
> http://tiny.pl/srp2
>
>
> -Ian
>
>
> --
> ___________________________________
> Ian P. Cook
> m: 412.759.8973
> jabber: [hidden email]
> Y!/MSN: ian_palmer_cook
> AIM: ianpalmercook
> ___________________________________

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FRIAM Applied Complexity Group listserv
Meets Fridays 9a-11:30 at cafe at St. John's College
lectures, archives, unsubscribe, maps at http://www.friam.org