Paraphrased from question 2 (What is many-worlds?) of http://www.hedweb.com/manworld.htm since I'm not sure the original author would agree to the GNU FDL. What follows is therefore subject to the possibility of misinterpretation on my part.
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This interpretation of quantum mechanics originated with Hugh Everett III in 1956. The phrase "many worlds" is due |
unlike the Copenhagen interpretation which considers the |
unlike the Copenhagen interpretation which considers the |
interpretation, the Schrodinger wave equation holds all the time everywhere. (Perhaps this means that wavefunction collapse represents some kind of transient violation of the wave equation? My knowledge of quantum mechanics is way too shallow to answer that.) |
interpretation, the Schrödinger wave equation holds all the time everywhere. |
modelled by applying the Schrodinger wave equation to the |
modelled by applying the Schrödinger wave equation to the |
consequence is that every observation (a thermodynamically irreversible process) causes the universal wavefunction to decohere into two or more non-interacting branches. Since |
consequence is that every observation causes the universal wavefunction to decohere into two or more non-interacting branches, or "worlds". Since |
entangled and it is no longer possible to consider them |
entangled and it is no longer possible to consider them |
References: * "The Many-worlds Interpretation of Quantum Mechanics" by Bryce S DeWitt?, R Neill Graham, eds, Princeton Series in Physics, Princeton University Press (1973) * [Michael Price's Everett FAQ] |