Bell's Theorem demonstrates that no physical theory of local hidden variables can ever reproduce all the predictions of quantum mechanics, implying that the quantum world is fundamentally non-local. This theorem challenges classical intuitions about separability and locality, suggesting that entangled particles remain connected regardless of the distance between them.

Bell's Theorem

Local Hidden Variable theories attempt to preserve the tenets of classical physics by suggesting that hidden or unmeasurable variables account for quantum correlations between particles, without violating the principle of locality. However, Bell's Theorem and subsequent experiments have shown that no local hidden variable model can fully account for the observed phenomena, challenging the classical worldview and suggesting that quantum entanglement results in non-local correlations.

local hidden variables

predictions of quantum mechanics

quantum world

non-local

classical intuitions

separability

Locality refers to the principle that objects or phenomena are influenced directly by their immediate surroundings and not by distant events. This concept is crucial in fields like physics, computer science, and geography, where understanding the constraints and interactions within a specific region or context can significantly impact outcomes and efficiencies.

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