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quant-ph2026
Remote state preparation of a single-spin state via hybrid spin-photon entanglement
Yunge Jiang, Yehan Yu, Lili Song +3
Remote state preparation is a fundamental quantum-information protocol that exploits prior knowledge of a target state to reduce the communication resources required for quantum-st…
quant-ph2026
Engineering near-unitary one-axis twisting evolution via a driven Tavis-Cummings model
Jinfeng Liu, Yan Mu, Lili Song +2
One-axis twisting (OAT) interaction is a pivotal resource for manipulating quantum states of atomic ensembles, enabling spin squeezing, atomic-cat-state generation, and weak-phase…
quant-ph2026
Enhancing collective spin squeezing via one-axis twisting echo control of individual atoms
Zhiwei Hu, Youwei Zhang, Junlei Duan +2
Spin squeezing generated via inter-atom entanglement in multilevel atomic ensembles provides a powerful resource for quantum-enhanced metrology. Existing schemes that harness inter…