2017/09/16 by Mei-Song Wei, Jicheng Wang, Wei, Mei-Song +7
Computer Science · Physics and Astronomy · #FOS: Physical sciences #Orbital Angular Momentum in Optics #Quantum Information and Cryptography #Quantum Mechanics and Applications #Quantum Physics (quant-ph) #quant-ph
paper · pdf · doi:10.48550/arxiv.1709.05445
openalex publication_date 2017/09/16 · arxiv created 2017/10/14 · arxiv updated 2017/10/17 · openalex created_date 2019/06/27 · openalex updated_date 2026/07/28
We investigate the decay properties of the quantumness including quantum entanglement, quantum discord and quantum coherence for two photonic qubits, which are partially entangled in their orbital angular momenta, through Kolmogorov turbulent atmosphere. It is found that the decay of quantum coherence and quantum discord may be qualitatively different from that of quantum entanglement when the initial state of two photons is not maximally entangled. We also derive two universal decay laws for quantum coherence and quantum discord, respectively, and show that the decay of quantum coherence is more robust than nonclassical correlations.