540 citations
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Showing 2015 · gr-qcShow all
2 papers · 2 filters
gr-qc2015★ 55 cited
Relativistic Quantum Metrology in Open System Dynamics
Zehua Tian, Jieci Wang, Heng Fan +1
Quantum metrology studies the ultimate limit of precision in estimating a physical quantity if quantum strategies are exploited. Here we investigate the evolution of a two-level at…
gr-qc2015★ 31 cited
Entropic uncertainty relation in de Sitter space
Lijuan Jia, Zehua Tian, Jiliang Jing
The uncertainty principle restricts our ability to simultaneously predict the measurement outcomes of two incompatible observables of a quantum particle. However, this uncertainty…