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Objective probability in quantum mechanics is often thought to involve a stochastic process whereby an actual future is selected from a range of possibilities. Everett's seminal idea is that all possible definite futures on the pointer…

量子物理 · 物理学 2017-02-09 Paul Tappenden

We investigate whether quantum theory can be understood as the continuum limit of a mechanical theory, in which there is a huge, but finite, number of classical 'worlds', and quantum effects arise solely from a universal interaction between…

量子物理 · 物理学 2014-10-28 Michael J. W. Hall , D. -A. Deckert , Howard M. Wiseman

The Born rule for probabilities of measurement results is deduced from the set of five assumptions. The assumptions state that: (a) the state vector fully determines the probabilities of all measurement results; (b) between measurements,…

量子物理 · 物理学 2013-08-27 Alexey V. Nenashev

Quantum theory has evolved from a set of provisional rules to an indispensable framework that underlies much of modern technology and infrastructure. Yet, after a century, Born's probability postulate remains at odds with the theory's…

量子物理 · 物理学 2025-08-19 Lionel Brits

This is a tutorial for the many-worlds theory by Everett, which includes some of my personal views. It has two main parts.The first main part shows the emergence of many worlds in a universe consisting of only a Mach-Zehnder interferometer.…

量子物理 · 物理学 2021-04-15 Biao Wu

The interpretation of the squared norm as probability and the apparent stochastic nature of observation in quantum mechanics are derived from the strong law of large numbers and the algebraic properties of infinite sequences of simultaneous…

量子物理 · 物理学 2007-05-23 Robert A. Van Wesep

We argue that measurement data in quantum physics can be rigorously interpreted only as a result of a statistical, macroscopic process, taking into account the indistinguishable character of identical particles. Quantum determinism is in…

综合物理 · 物理学 2025-07-22 Patrick Navez , Henni Ouerdane

The 2022 Tel Aviv conference on the Many Worlds interpretation of quantum mechanics highlighted many differences between theorists. A very significant dichotomy is between Everettian fission (splitting) and Saunders-Wallace-Wilson…

量子物理 · 物理学 2023-07-10 Paul Tappenden

This paper investigates the formation and propagation of wavefunction `branches' through the process of entanglement with the environment. While this process is a consequence of unitary dynamics, and hence significant to many if not all…

量子物理 · 物理学 2024-02-21 Nadia Blackshaw , Nick Huggett , James Ladyman

It is often objected that the Everett interpretation of QM cannot make sense of quantum probabilities, in one or both of two ways: either it can't make sense of probability at all, or it can't explain why probability should be governed by…

量子物理 · 物理学 2007-05-23 Huw Price

The many-worlds interpretation of quantum mechanics predicts the formation of distinct parallel worlds as a result of a quantum mechanical measurement. Communication among these parallel worlds would experimentally rule out alternatives to…

量子物理 · 物理学 2014-11-18 R. Plaga

Everett's Many-Worlds Interpretation of quantum mechanics is discussed in the context of other physics disputes and other proposed kinds of parallel universes. We find that only a small fraction of the usual objections to Everett's theory…

量子物理 · 物理学 2010-03-25 Max Tegmark

We suggest to combine the Anthropic Principle with Many-Worlds Interpretation of Quantum Theory. Realizing the multiplicity of worlds it provides an opportunity of explanation of some important events which are assumed to be extremely…

量子物理 · 物理学 2014-11-18 Alexander Kamenshchik , Oleg Teryaev

Quantum Darwinism builds on decoherence theory to explain the emergence of classical behavior in a fundamentally quantum universe. Within this framework we prove two crucial insights about the emergence of classical phenomenology, centered…

量子物理 · 物理学 2024-10-16 Akram Touil , Fabio Anza , Sebastian Deffner , James P. Crutchfield

Conceptually different from the decoherence program, we present a novel theoretical approach to macroscopic realism and classical physics within quantum theory. It focuses on the limits of observability of quantum effects of macroscopic…

量子物理 · 物理学 2011-11-09 Johannes Kofler , Caslav Brukner

For a projective measurement, the Born rule provides the probability for an outcome in terms of the inner product between a projector and a quantum state. If the projector represents a pure entangled state and the state for a composite…

量子物理 · 物理学 2017-03-16 Arun Sehrawat

We suggest to combine the Anthropic Principle with the Many-Worlds Interpretation of Quantum Theory. Realizing the multiplicity of worlds it provides an opportunity of explanation of some important events which are assumed to be extremely…

量子物理 · 物理学 2013-08-28 A. Yu. Kamenshchik , O. V. Teryaev

Using publicly available video of a diffusion cloud chamber with a very small radioactive source, I measure the spatial distribution of where tracks start, and consider possible implications. This is directly relevant to the quantum…

综合物理 · 物理学 2022-02-01 Jonathan F. Schonfeld

We describe an interpretation of quantum mechanics based on reduced density matrices of sub-systems from which the standard Copenhagen interpretation emerges as an effective description for macro-systems. The interpretation is a modal one,…

量子物理 · 物理学 2013-12-18 Timothy J. Hollowood

The apparent random outcome of a quantum measurement is conjectured to be fundamentally determined by the microscopic state of the macroscopic measurement apparatus. The apparatus state thus plays the role of a hidden variable which, in…

量子物理 · 物理学 2017-03-22 Jean-Marc Sparenberg , Réda Nour , Aylin Manço