Tuesday, November 25, 2008

A quantum state eternally evolving in an infinite-dimensional Hilbert space

It's time for your morning exercise ...
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.... The arrow of time finds a plausible explanation in a 'Heraclitean universe,' described by a quantum state eternally evolving in an infinite-dimensional Hilbert space....
Sean Carroll of Cosmic Variance fame has entered an essay contest on the nature of time.

I've asked Sean to tell us what the other good ones are.

The wikiepdia entry on Heraclitus might be of assistance.

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