5 papers
Topology-dependent relativistic degradation of multipartite entanglement
Shu-Min Wu, Si-Han Shang, Xu Han +2
The influence of relativistic motion on quantum entanglement is commonly attributed to acceleration-induced thermal noise. Here we show that, for asymmetric multipartite states, th…
Quantum advantage prediction in turbulent free-space quantum illumination
Yu Tang, Beining Xia, Qianqian Liu +3
Quantum illumination offers a significant theoretical advantage for target detection in high background noise environments. However, its practical deployment in free-space channels…
Non-monotonic evolution of multipartite entanglement under the Unruh effect
Shu-Min Wu, Si-Han Shang, Si-Yu Liu +3
We investigate the behavior of tetrapartite entanglement in a four-qubit Dicke state under relativistic motion by employing the Unruh-DeWitt detector model, where one detector unde…
Optimal quantum strategy for locating Unruh channels
Qianqian Liu, Tonghua Liu, Cuihong Wen +1
From the perspective of quantum information theory, the effect of Unruh radiation on a two-level accelerated detector can be modeled as a quantum channel. In this work, we employ t…
Quantum properties of fermionic fields in multi-event horizon spacetime
Qianqian Liu, Shu-Min Wu, Cuihong Wen +1
We investigate the properties of quantum entanglement and mutual information in the multi-event horizon Schwarzschild-de Sitter (SdS) spacetime for massless Dirac fields. We obtain…