entanglement
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Physics
New research provides insight into the cleanup of quantum entanglement noise
Researchers have found that a universal entanglement purification protocol is not guaranteed to improve the fidelity of entangled states in all possible quantum systems. Credit: Zhong Lab Quantum Entanglement – The connections between particles that generate correlations beyond what is classically possible will become the backbone of future quantum technologies, such as secure communication, cloud quantum computing, and distributed sensing.…
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Physics
Maximum entanglement sheds new light on the creation of particles
When an energetic quark or gluon is knocked freely during a proton-proton collision, this free “parton” first generates a shower of other partons, then “fragmented” to form hadrons (h), such as kons (k), pion (π), and protons (p). The higher the energy of the first quark or gluon, the higher the number of hadrons. If the hadron entropy is equal…
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Physics
Quantum Entanglement Sensors can test quantum gravity
Supreme-GQ artist concept. Credit: S. Shahriar/NASA When you ask most physicists what is the most frustrating problem in modern physics, they will say the contradiction between general theory of relativity and quantum mechanics. That contradiction has been a thorn on the part of the physics community for decades. There have been some advances in potential theories that can modify the…
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Physics
The first on-chip multipartite entanglement achieved with optical microcombs
Figure 1: Setup for the generation, characterization and detection of integrated silicon nitride microcombs and continuous variable multi-Qumode entanglement. Credit: Nature (2025). doi:10.1038/s41586-025-08602-1 Recent research has achieved the first multipartite entanglement for optical chips that constitute a significant advance in scalable quantum information. The paper, entitled “Continuously variable multipartite intertwining in integrated microcombs,” is published naturally. In collaboration with the…
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Physics
Excitons in organic semiconductors: Unlocking quantum entanglement and dynamics
Orthombikle Brene lattice, axis (left) and 𝑐axis (right) projections, 𝑏, 𝑏, 𝑐, adjacent 𝜋 molecular columns (represented by carbon carbon bonds) of the crystal axis lattice used for . Credits: Gerald Curran et al. Excitons encountered in technologies such as solar cells and television are quasiparticles formed by electrons and positively charged “holes” that move together in semiconductors. The excitons…
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