Quantum entanglement experiments do provide evidence for a phenomenon known as non-locality, which challenges classical notions of locality in the context of quantum mechanics. However, it is important to note that the interpretation and implications of these experiments are still subjects of scientific debate and investigation.
Quantum entanglement is a phenomenon where two or more particles become correlated in such a way that their properties are intertwined, regardless of the distance between them. According to the principles of quantum mechanics, when two entangled particles are measured, the outcome of one measurement instantaneously affects the outcome of the other, regardless of the spatial separation between them. This behavior has been experimentally observed and verified through various tests, including the violation of Bell's inequalities.
The violation of Bell's inequalities suggests that the correlations between entangled particles cannot be explained by local hidden variables, which are hypothetical properties that would determine the outcome of measurements and preserve classical notions of locality. This implies that quantum entanglement is a non-local phenomenon, where information appears to be exchanged between particles faster than the speed of light.
However, it is important to clarify that non-locality in quantum mechanics does not imply the ability to transmit information or communicate faster than the speed of light. The observed correlations in entanglement experiments cannot be exploited for superluminal communication or violate the fundamental principles of relativity. Instead, they highlight the non-intuitive nature of quantum mechanics and the need for new frameworks and interpretations to understand the nature of reality at the quantum level.
Different interpretations of quantum mechanics exist, such as the Copenhagen interpretation, many-worlds interpretation, pilot-wave theory, and more, each offering different perspectives on the implications of quantum entanglement and non-locality. The question of whether these experiments support the idea that reality is fundamentally non-local is still a topic of active research and ongoing scientific investigation.