Are there Everett worlds?
... in principle, can be measured «with a dynamometer». Hence the conclusion that these worlds really exist. It is shown that, contrary to popular belief, the many-world (Everett) and «casual» (de Broglie — Bohm) interpretations coincide. A limited path integral was used to describe coordinate measurement in terms of multiworld interpretation.
1. Everett H. «Relative State» Formulation of Quantum Mechanics // Rev. Mod. Phys. 1957. Vol. 29, iss. 3. P. 454—462. doi:10.1103/RevModPhys.29.454.
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