Nuclear-spin swap extends room-temperature entanglement lifetime up to 240-fold
Researchers in China have extended the lifetime of entanglement in a room-temperature, solid-state system by up to a factor of 240. Led by Shuo Ren and Rui-Jian Liang at the University of Science and Technology of China in Hefei, the team transferred entangled states from the electron spins of solid-state defects to the spins of surrounding atomic nuclei, which are far more resilient to noise.…
Researchers from the University of Science and Technology of China in Hefei have achieved a significant breakthrough in extending the lifetime of entanglement in a room-temperature, solid-state system by up to 240 times. Led by Shuo Ren and Rui-Jian Liang, the team successfully transferred entangled states from electron spins of solid-state defects to the spins of surrounding atomic nuclei, which are more resilient to noise.
This development, published in Physical Review Letters, could potentially revolutionize quantum sensing and information processing by enabling entangled networks of quantum bits, or qubits, to perform tasks beyond the limits of classical systems. The challenge lies in the quick destruction of quantum information due to qubits interacting with thermal fluctuations in their surroundings. However, this new approach could pave the way for more practical and resilient quantum systems.
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