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Physicists Observe Quantum Entanglement in the Momentum of Massive Particles for the First Time
Scientists have observed quantum entanglement in the momentum of massive particles for the first time. The decades-awaited result could help physicists explore the relationship between quantum mechanics and gravity.
TL;DR
- Scientists have observed quantum entanglement in the momentum of massive particles for the first time.
- This breakthrough was achieved using ultracold helium atoms, creating pairs entangled by their momentum.
- Previously, quantum entanglement had only been demonstrated with photons and atomic spins, not with particles possessing mass.
- The ability to entangle massive particles could lead to advanced quantum sensors for detecting gravitational waves or mapping Earth's interior.
- The experiment used a Bose-Einstein condensate of helium atoms, split and manipulated with lasers to create correlated pairs.
- Interferometry was used to confirm the entanglement, a method previously applied to photons and now extended to matter waves.
- This finding validates theoretical predictions of quantum mechanics and poses challenges for quantum gravity theories.