A Quantum Chain Turned One Local Clue Into Many Readable Records
A local quantum disturbance may leave readable clues across a chain as protected states and entanglement turn one bit into many records.
quantum information
The Top Quark Dies So Fast Its Spin Becomes a Quantum Clue
A top quark's fleeting lifetime preserves spin clues, letting collider physicists use quantum-information tools to detect entanglement.
The Quantum Connection That Vanishes Before Its Photons Do
A superconducting-circuit experiment reveals how entanglement between two microwave modes can vanish suddenly even as photon loss continues gradually.