bell's theorem wikipedia - EAS

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  1. Bell's theorem is an important philosophical and mathematical statement in the theory of quantum mechanics. It showed that a category of physical theories called local hidden variables theory could not account for the degree of correlations between the spins of entangled electrons predicted by quantum theory.
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    What is Bell's theorem in physics?
    Relevant For... Bell's theorem is an important philosophical and mathematical statement in the theory of quantum mechanics. It showed that a category of physical theories called local hidden variables theory could not account for the degree of correlations between the spins of entangled electrons predicted by quantum theory.
    brilliant.org/wiki/bells-theorem/
    Is Bell's theorem justified by CHSH?
    Mathematically, Bell's theorem is justified by an important lemma, the CHSH inequality. This inequality bounds the amount of correlation possible between electron spins in a hidden variables theory.
    brilliant.org/wiki/bells-theorem/
    Do Bell's conditions agree with quantum mechanical theory?
    For a hidden variable theory, if Bell's conditions are correct, the results that agree with quantum mechanical theory appear to indicate superluminal (faster-than-light) effects, in contradiction to the principle of locality.
    en.wikipedia.org/wiki/Bell%27s_theorem
    Who is John Bell?
    John Stewart Bell FRS (28 July 1928 – 1 October 1990) was a physicist from Northern Ireland and the originator of Bell's theorem, an important theorem in quantum physics regarding hidden variable theories. John Bell was born in Belfast, Northern Ireland.
    en.wikipedia.org/wiki/John_Stewart_Bell
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    https://en.wikipedia.org/wiki/Bell's_theorem

    Bell's theorem is a term encompassing a number of closely related results in physics, all of which determine that quantum mechanics is incompatible with local hidden-variable theories given some basic assumptions about the nature of measurement. "Local" here refers to the principle of locality, … See more

    There are many variations on the basic idea, some employing stronger mathematical assumptions than others. Significantly, Bell-type theorems do not refer to any particular theory of local hidden variables, … See more

    In 1967, the unusual title Physics Physique Физика caught the attention of John Clauser, who then discovered Bell's paper and began to consider how to perform a Bell test in the laboratory. Clauser and Stuart Freedman would go on to perform a Bell test in 1972. … See more

    Bell (1964)
    Bell's 1964 paper points out that under restricted conditions, local hidden variable models can reproduce the predictions of quantum … See more

    Background
    The question of whether quantum mechanics can be "completed" by hidden variables dates to the early years of quantum theory. In his See more

    Reactions to Bell's theorem have been many and varied. Schlosshauer, Kofler, and Zeilinger write that Bell inequalities provide "a wonderful example of how we can have a rigorous … See more

    The following are intended for general audiences.
    Aczel, Amir D. (2001). Entanglement: The greatest mystery in … See more

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  4. https://simple.wikipedia.org/wiki/Bell's_theorem

    WebBell's theorem, also called "Bell's inequality," is a thought experiment. When joined with real experiments, it shows there are no hidden variables which can explain some of the …

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    • https://en.wikipedia.org/wiki/Bell's_Theorem_(comics)

      Bell's Theorem (original German title Die Wahrheit über Shelby, lit. "The Truth about Shelby") is a three-volume science-fiction horror graphic novel by German comic artist Matthias Schultheiss that originally published between 1985 and 1988. It was Schultheiss's breakthrough work as a graphic novel artist. The title references Bell's theorem from quantum mechanics.

      • Estimated Reading Time: 10 mins
      • Bell's theorem/Introduction - Wikiversity

        https://en.wikiversity.org/wiki/Bell's_theorem/Introduction

        WebAug 09, 2021 · Experiments to investigate Bell's theorem have been performed on protons, neutrons, and electrons, over distances up to a few kilometers. We shall

      • Bell's theorem/Wikipedia Lede - Wikiversity

        https://en.wikiversity.org/wiki/Bell's_theorem/Wikipedia_Lede

        WebBell's theoremis a ‘no-go theorem’ that draws an important distinction between quantum mechanics(QM) and the world as described by classical mechanics. This theorem is …

      • Bell's theorem/Inequality - Wikiversity

        https://en.wikiversity.org/wiki/Bell's_theorem/Inequality

        WebNov 14, 2018 · To put it bluntly, Bell's theorem tells us that any successful hidden variable theory will need to attribute psychic abilities to atoms and other elementary

      • https://en.wikipedia.org/wiki/Talk:Bell's_theorem

        WebIn fact, Bell's theorem can be proven in the Many-Worlds framework from the assumption that a measurement has a single outcome." This says that in many …

      • https://brilliant.org/wiki/bells-theorem

        WebBell's theorem is an important philosophical and mathematical statement in the theory of quantum mechanics. It showed that a category of physical theories called local hidden variables theory could …

      • https://en.wikipedia.org/wiki/John_Stewart_Bell

        WebJohn Stewart Bell FRS was a physicist from Northern Ireland and the originator of Bell's theorem, an important theorem in quantum physics regarding hidden-variable

      • https://en.wikipedia.org/wiki/Bell_test

        WebIn 1964, John Stewart Bell proposed his now famous theorem, which states that no physical theory of hidden local variables can ever reproduce all the predictions of quantum …

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