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Currently reading : doppelgänger

doppelgänger

26 August 2010

Author : maxime-buechi

a very interesting article which only requires rudimentary knowledge of the theoretical principles of quantum physics.

“… They say an infinite number of doppelgängers, or copies, performing the experiment is equivalent to one observer doing the experiment an infinite number of times. This picture ties the abstract Born rule to something concrete – the existence of multiple, identical observers; a possibility that could arise if our universe is large.

In their scheme, some of these copies would get one outcome in a quantum experiment and others another outcome, with the relative numbers agreeing with the Born rule. So instead of a single observer who doesn’t know the outcome of an experiment ahead of time, in this picture multiple observers get different outcomes, and quantum uncertainty “comes from the fact that you don’t know which observer you are”, Aguirre says.“

Categories : DiscussionInspirationSciences

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