Daily Archives: April 16, 2012

De Broglie–Bohm theory, 3.1

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Universal wave function, 17.1

The non-local hidden variables predict a genuine violation of the Lorentz symmetry. I think that all these theories predict such a brutal violation of the Lorentz symmetry that they are safely ruled out, too.

— Lubos Motl

The de Broglie–Bohm theory is explicitly non-local: The velocity of any one particle depends on the value of the wavefunction, which depends on the whole configuration of the universe. Because the known laws of physics are all local, and because non-local interactions combined with relativity lead to causal paradoxes, many physicists find this unacceptable.

This theory is deterministic. Most (but not all) variants of this theory that support special relativity require a preferred frame. 

— Wikipedia on De Broglie–Bohm theory

2012.04.16 Monday ACHK

See the world as it is

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真相客觀程式 2

We want to stand upon our own feet and look fair and square at the world – its good facts, its bad facts, its beauties, and its ugliness; see the world as it is, and be not afraid of it. Conquer the world by intelligence, and not merely by being slavishly subdued by the terror that comes from it.

– Bertrand Russell

2012.04.16 Monday ACHK