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5 papers · 2 filters
Synchronization and estimation of gravity-induced time difference for quantum clocks
Jieci Wang, Tonghua Liu, Jiliang Jing +1
It has recently been reported [\textit{PNAS} \textbf{114}, 2303 (2017)] that, under an operational definition of time, quantum clocks would get entangled through gravitational effe…
The influence of the Earth's curved spacetime on Gaussian quantum coherence
Tonghua Liu, Shumin Wu, Shuo Cao
Light wave-packets propagating from the Earth to satellites will be deformed by the curved background spacetime of the Earth, thus influencing the quantum state of light. We show t…
Effects of polarization and high harmonics of two-color fields on dynamically assisted pair production
Obulkasim Olugh, Zi-Liang Li, Bai-Song Xie
Electron-positron pair production in dynamically assisted two-color electric fields is investigated for various polarizations. Momentum spectrum and number density of the created p…
High-efficiency three-party quantum key agreement protocol with quantum dense coding and Bell states
Wan-Ting He, Jun Wang, Tian-Tian Zhang +4
We propose a high-efficiency three-party quantum key agreement protocol, by utilizing two-photon polarization-entangled Bell states and a few single-photon polarization states as t…
Microwave transmission through an artificial atomic chain coupled to a superconducting photonic crystal
Guo-Zhu Song, Leong-Chuan Kwek, Fu-Guo Deng +1
Emitters strongly coupled to a photonic crystal provide a powerful platform for realizing novel quantum light-matter interactions. Here we study the optical properties of a three-l…