Quantum Entanglement Prevails: Swiss Physicists Prove Einstein Wrong
Swiss physicists from ETH Zurich have designed an experiment that provides near-absolute proof in favor of quantum entanglement, a phenomenon that contradicted the beliefs of many physicists, including Albert Einstein. The experiment involved a 30-meter vacuum tube equipped with cryogenic cooling, allowing a photon to travel between entangled particles without interfering with the measurements.
Einstein was skeptical of the concept of quantum entanglement, wherein particles remain connected and transmit information faster than the speed of light. He believed that there were hidden variables in quantum physics that we were yet to discover.
The experiment applied Bell’s inequalities, which suggest that measurements of entangled particles should either match or violate these inequalities. If violated, it would indicate that the particles follow the laws of quantum physics and transmit information faster than light.
ETH Zurich’s experiment utilized a microwave photon that traveled through a 30-meter vacuum tube cooled to -273°C, taking 110 nanoseconds to reach the other end. Measurements were made slightly faster, confirming the effects of quantum entanglement without violating classical laws.
Previous experiments applying Bell’s inequalities had loopholes that allowed for the exchange of information between entangled particles. However, this experiment removed such loopholes, proving that no information exchange occurred.
The experiment also aimed to demonstrate the potential of large superconducting systems for quantum computing and communication. It involved two superconducting circuits that behaved like entangled particles, showcasing the applicability of quantum physics to macroscopic systems. This discovery paves the way for the development of quantum technologies based on superconducting macrosystems, without relying on delicate elementary particles. The potential of this groundbreaking experiment is immense, and scientists are eager to further explore its applications.
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