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9 papers · 1 filter
Quantum coherence of continuous variables in the black hole quantum atmosphere
Xiaofang Liu, Cuihong Wen, Jieci Wang
Recently, the concept of quantum atmosphere has been introduced as a potential origin of Hawking quanta. This study investigates the properties of quantum fields by exploring the q…
Detecting Cosmological Phase Transitions with Taiji: Sensitivity Analysis and Parameter Estimation
Fan Huang, Zu-Cheng Chen, Qing-Guo Huang
We investigate the capability of the Taiji space-based gravitational wave observatory to detect stochastic gravitational wave backgrounds produced by first-order phase transitions…
Gaussian quantum steering under the influence of a dilaton black hole
Biwei Hu, Cuihong Wen, Jieci Wang +1
We study the dynamics of Gaussian quantum steering in the background of a Garfinkle-Horowitz-Strominger dilaton black hole. It is found that the gravity induced by dilaton field wi…
Geodesic structure of Janis-Newman-Winicour space-time
Sheng Zhou, Ruanjing Zhang, Juhua Chen +1
In the present paper we study the geodesic structure of the Janis-Newman-Winicour(JNW) space-time which contains a strong curvature naked singularity. This metric is an extension o…
Open quantum system approach to Gibbons-Hawking effect of de Sitter space-time
Hongwei Yu
We analyze, in the paradigm of open quantum systems, the reduced dynamics of a freely-falling two-level detector in de Sitter space-time in weak interaction with a reservoir of flu…
Strong gravitational lensing in a noncommutative black-hole spacetime
Chikun Ding, Shuai Kang, Chang-Yong Chen +2
Noncommutative geometry may be a starting point to a quantum gravity. We study the influence of the spacetime noncommutative parameter on the strong field gravitational lensing in…