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cond-mat.quant-gas2022
Quantum enhanced sensing by echoing spin-nematic squeezing in atomic Bose-Einstein condensate
Tian-Wei Mao, Qi Liu, Xin-Wei Li +6
Quantum entanglement can provide enhanced precision beyond standard quantum limit (SQL), the highest precision achievable with classical means. It remains challenging, however, to…
cond-mat.quant-gas2020★ 45 cited
Faster State Preparation across Quantum Phase Transition Assisted by Reinforcement Learning
Shuai-Feng Guo, Feng Chen, Qi Liu +6
An energy gap develops near quantum critical point of quantum phase transition in a finite many-body (MB) system, facilitating the ground state transformation by adiabatic paramete…
cond-mat.quant-gas2019★ 28 cited
Extreme Spin Squeezing from Deep Reinforcement Learning
Feng Chen, Jun-Jie Chen, Ling-Na Wu +2
Spin squeezing (SS) is a recognized resource for realizing measurement precision beyond the standard quantum limit . The rudimentary one-axis twisting (OAT) int…