Sunday 23 February 2025
Scientists have made a significant discovery in the field of quantum mechanics, using data from the Large Hadron Collider (LHC) to detect entanglement between particles at unprecedented high energies.
Entanglement is a phenomenon where two or more particles become connected in such a way that their properties are correlated with each other, regardless of the distance between them. This has been observed in low-energy systems before, but it’s much harder to achieve at higher energies because of the intense forces and interactions involved.
In this study, researchers used data from collisions between protons at the LHC to analyze the decay of particles into pairs of Z bosons and four leptons (such as electrons or muons). By applying a technique called quantum tomography, they were able to reconstruct the spin density matrix of these particles, which describes their quantum properties.
The results showed that entanglement was present in both the signal process, where two gluons from protons collided to produce a Higgs boson, and the background process, where quarks from protons collided to produce a Z boson. However, the entanglement was stronger in the signal process, indicating that the Higgs boson plays an important role in mediating this phenomenon.
This discovery has significant implications for our understanding of quantum mechanics and its applications. It could potentially lead to new ways of generating and manipulating entangled particles, which is essential for developing quantum computing and communication technologies.
The study also highlights the importance of using advanced statistical techniques, such as quantum tomography, to analyze complex data sets in particle physics. These techniques can help researchers uncover subtle patterns and correlations that might be hidden beneath the surface of noisy data.
Overall, this discovery demonstrates the power of combining cutting-edge technology with innovative analytical methods to gain insights into some of the most fundamental aspects of our universe.
Cite this article: “Entanglement at High Energies: A Breakthrough in Quantum Mechanics”, The Science Archive, 2025.
Quantum Mechanics, Large Hadron Collider, Entanglement, Particle Physics, Quantum Computing, Quantum Communication, Higgs Boson, Z Bosons, Gluons, Quarks
Reference: Mira Varma, “Probing quantum entanglement using Higgs to ZZ* to 4 leptons at ATLAS” (2024).
