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gr-qc2022
Understanding thermal nature of de Sitter spacetime via inter-detector interaction
Wenting Zhou, Shijing Cheng, Hongwei Yu
The seminar discovery by Gibbons and Hawking that a freely falling detector observes an isotropic background of thermal radiation reveals that de Sitter space is equivalent to a th…
hep-th2022★ 8 cited
Probing long-range properties of vacuum altered by uniformly accelerating two spatially separated Unruh-DeWitt detectors
Shijing Cheng, Wenting Zhou, Hongwei Yu
In a quantum sense, vacuum is not an empty void but full of virtual particles (fields). It may have long-range properties, be altered, and even undergo phase transitions. It is sug…
hep-th2022★ 5 cited
Quantum thermal field fluctuation induced corrections to the interaction between two ground-state atoms
Shijing Cheng, Wenting Zhou, Hongwei Yu
We generalize the formalism proposed by Dalibard, Dupont-Roc, and Cohen-Tannoudji [the DDC formalism] in the fourth order for two atoms in interaction with scalar fields in vacuum…