Wednesday, December 22, 2010

Entanglement Theory

Entanglement Theory, from the Stanford Encyclopedia:
  Quantum entanglement is a physical resource, like energy, associated with the peculiar nonclassical correlations that are possible between separated quantum systems. Entanglement can be measured, transformed, and purified. A pair of quantum systems in an entangled state can be used as a quantum information channel to perform computational and cryptographic tasks that are impossible for classical systems.

Karl Smith's version:
Both Krugman and Wilkinson are keying off of the same phenomenon. The world is extremely complicated and doesn’t make sense – at least not in the way we want it to. We don’t want to understand the world simply by following some complex routine of intellectual gymnastics. We want it to makes sense intuitively. We want it to bound up in a single completely digestible ball. The world, sadly, does not always comply.
more from the Stanford Encyclopedia
Schrödinger showed that, in general, a sophisticated experimenter can, by a suitable choice of operations carried out on one system, ‘steer’ the second system into any chosen mixture of quantum states. That is, the second system cannot be steered into any particular quantum state at the whim of the experimenter, but the experimenter can constrain the quantum state into which the second system evolves to lie in any chosen set of states, with a probability distribution fixed by the entangled state.

Are these two beliefs related? Kling says, assumptions in generate results out. Schrodinger says that Kling is onto something fundamental, and Schrodinger had to travel in time to say that.  Economists will get it all sorted entangled out.

I think the economics version is something like this:  Our brains only work when we comprehend events as occurring with Gaussian noise so we can notice redundancy in life, within two sigma.

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