Local realism is a philosophical framework combining the principles of locality and realism, suggesting that objects have definite states and properties independent of observation and that effects cannot occur instantaneously over a distance. This concept has been challenged by quantum mechanics, particularly through experiments showing violations of Bell's inequalities, implying non-locality or the unreality of quantum states.

Local Realism

Local realism

philosophical framework

principles of locality

Principles of realism

definite states and properties

independent of observation

effects cannot occur instantaneously over a distance

Quantum mechanics is a fundamental theory in physics that describes the physical properties of nature at the smallest scales, such as atoms and subatomic particles. It introduces concepts like wave-particle duality, uncertainty principle, and quantum entanglement, which challenge classical intuitions about the behavior of matter and energy.

quantum mechanics

violations of Bell's inequalities

Non-locality refers to the phenomenon where particles instantaneously affect each other's state, regardless of the distance separating them, challenging classical notions of space and causality. This principle is a cornerstone of quantum mechanics, illustrating that the universe is far more interconnected than previously thought.

non-locality

unreality of quantum states

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