ManyWorldsInterpretation
The Many-Worlds Interpretation (MWI) of quantum mechanics posits that all possible outcomes of quantum measurements are realized in a vast or perhaps infinite number of branching, non-communicating parallel worlds. Proposed by Hugh Everett III in 1957 as an alternative to the Copenhagen interpretation, MWI eliminates the notion of wavefunction collapse and treats the universal wavefunction as the complete description of physical reality.
According to MWI, the evolution of the universal wavefunction is always unitary; when a measurement occurs,
In this view, every possible outcome occurs in some branch, while observers in each branch perceive a
The interpretation has no unique experimental predictions distinct from standard quantum mechanics, and therefore is not
MWI has spawned variants and extensions, including the role of observers (many-minds) and analyses emphasizing decoherence