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arXiv:2110.01980

An alternative to test experimentally Everett's theory

Hitoshi Inamori

Published Oct 2, 2021• 0 citations
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Abstract

It is generally accepted that Everett's theory of quantum mechanics cannot be experimentally tested as such experiment would involve operations on the observer which are beyond our current technology. We propose an alternative to test Everett's theory which does not involve any operation on the observer. If we assume that the observer is of finite dimension, it is shown that Everett's theory leads to distinctive properties for the system being observed, and that such difference can be experimentally tested.

DOI
10.48550/arxiv.2110.01980

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It is generally accepted that Everett's theory of quantum mechanics cannot be experimentally tested as such experiment would involve operations on the observer which are beyond our current technology. We propose an alternative to test Everett's theory which does not involve any operation on the observer. If we assume that the observer is of finite dimension, it is shown that Everett's theory leads to distinctive properties for the system being observed, and that such difference can be experimentally tested.
We propose a set of simple quantum optics experiments that test for an entirely new domain of physical laws that govern how an individual's conscious experience traverses the multiverse within Everett's many worlds interpretation of quantum mechanics. These experiments imply an exception to the Born rule in a proposed ''observer-specific'' reference frame. These experiments must be done by you, the reader. If it is performed by anyone else, other than you, the reader, you will observe that the person performing the experiment will observe an outcome that is not special, interesting, or different from what is already known about quantum mechanics. To the best of our knowledge, this would be the first ever modern experiment that is only meaningful if the experiment is performed by you, the reader, and cannot be inferred from the results of another experimenter. Therefore, since each individual must perform this test on his or her own, we outline a set of real experiments that can be easily performed such that as many people as possible can individually verify this for themselves. We do not know or specify what specific physical laws exist within this ''observer-specific'' domain, but come up with a number of different tests to cover as many theories as possible.
Abstract It used to be assumed that the differences between “interpretations” of quantummechanics are philosophical and not physical. The experimental test of the original EPR “thought experiment” by Aspect et al., using the Bell inequalities, eliminatedthe Bohm-Aharanov local hidden variables, demonstrating that the so-called interpretations are distinct theories, amenable to experimental testing, and not merely philosophically different “interpretations”. In this paper I present a sequence of experiments, doable by current technology, to distinguish between various “interpretations” of Quantum Mechanics.
Introduction In the July 1957 issue of the Reviews of Modern Physics: Hugh Everett iii put forward a new interpretation of quantum mechanics (Everett 1957). John Wheeler, Everett's thesis adviser, published, in the same issue, an accompanying paper supporting Everett's views (Wheeler 1957). Everett's aim was to cut through the fuzzy thinking displayed by many authors, some of them quite prominent, who in previous years had written incredibly dull papers on how they understood quantum mechanics. Everett's idea was simply to assume that quantum mechanics provides a description of reality in exactly the same sense as classical mechanics was once thought to do. This is a shocking idea, for it leads to a multiplicity of “realities.” Few physicists in 1957 were prepared to accept it. And yet it can be shown to work. It is the purpose of this article to expand on Everett's original demonstration and to reveal the courage John Wheeler displayed in betting that his student was right. Classical theory of measurement System, apparatus, coupling Our starting point is the standard theory of measurement, which we shall first examine classically. In its simplest form a measurement involves just two dynamical entities: a system and an apparatus . It is the role of the apparatus to record the value of some system observable s . For this purpose system and apparatus must be coupled together for a certain period of time, which will be taken to be finite.