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quant-ph2012★ 6 cited
Probing Planckian physics in de Sitter space with quantum correlations
Jun Feng, Yao-Zhong Zhang, Mark D. Gould +3
We study the quantum correlation and quantum communication channel of both free scalar and fermionic fields in de Sitter space, while the Planckian modification presented by the ch…
quant-ph2012
Quantum correlations with vacuum ambiguity in de Sitter space
Jun Feng, Cheng-Yi Sun, Wen-Li Yang +2
We study the quantum correlations of free scalar field with vacuum ambiguity of de Sitter space. We show the occurrence of degradation of quantum entanglement and quantum discord b…