EPR PARADOX BY ALBERT EINSTEIN

The EPR paradox, proposed by Einstein, Podolsky, and Rosen in 1935, is a thought experiment that challenges the completeness of quantum mechanics. It revolves around the concept of entanglement, a bizarre phenomenon where two particles become linked and share the same fate, regardless of the distance separating them.

°Entangled Particles:
Imagine two particles (like electrons) that interact and become entangled. In this state, their properties, such as spin (up or down), are linked.
°Measurement on One Particle:
If you measure the spin of one entangled particle, it instantly collapses into a definite state (up or down).
° Instantaneous Influence(?):
According to quantum mechanics, the moment you measure one particle, the other particle's spin is also determined, the opposite of the measured one. This seems to imply an instantaneous influence, which contradicts the principle of locality in classical physics. Locality states that information cannot travel faster than light.
Incomplete Description(?):
Einstein and his colleagues argued that this spooky action at a distance suggested quantum mechanics was incomplete. They believed hidden variables, unknown properties that define the particles' states, existed and would eliminate the need for instantaneous influence.
The EPR paradox has had a profound impact on physics:
°Fueling Debates on Quantum Mechanics: It has sparked ongoing discussions about how to interpret the strange nature of quantum mechanics.
°Validating Entanglement: Experimental validations of Bell's inequality, derived from the EPR paradox, confirm entanglement and support quantum mechanics predictions.
While the EPR paradox doesn't disprove quantum mechanics, it highlights the counterintuitive nature of entanglement and the ongoing quest to fully understand the quantum world

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