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quant-ph2024
Quantum Beam Splitter as a Quantum Coherence Controller
Li-Ping Yang, Yue Chang
We propose a quantum beam splitter (QBS) with tunable reflection and transmission coefficients. More importantly, our device based on a Hermitian parity-time () symme…
quant-ph2023
Wall-Collision Effect on Optically-Polarized Atoms in Small and Hot Vapor Cells
Yue Chang, Jie Qin
In atomic vapor cells, atoms collide with the inner surface, causing their spin to randomize on the walls. This wall-depolarizing effect is diffusive, and it becomes more pronounce…