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quant-ph2026
Gaussian quantum steering of coupled three-mode squeezed vacuum in an expanding universe
Guang-Wei Mi, Xiaofen Huang, Tinggui Zhang
The coupled three-mode squeezed vacuum is a representative multimode squeezed Gaussian state featuring unique steerability. This work investigates Gaussian quantum steering distrib…
quant-ph2025
Quantumness near the Schwarzschild black hole based on W-state
Guang-Wei Mi, Xiaofen Huang, Shao-Ming Fei +1
We investigate certain quantumness in the vicinity of the Schwarzschild black hole by utilizing the W state. We explore the influence of the Hawking effect on the l_1-norm of quant…
quant-ph2025
Genuine four-partite Bell nonlocality in the curved spacetime
Guang-Wei Mi, Xiaofen Huang, Shao-Ming Fei +1
The quantum Bell nonlocality plays a crucial role in quantum information processing. In this paper, we first obtain the quantitative analytical expression of the genuine four-parti…