Back to the future: Causality on a moving braneworld

Back to the future: Causality on a moving braneworld
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回到未来:移动膜世界中的因果关系

DOI:
10.1103/physrevd.107.025016
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发表时间:
2023
期刊:
影响因子:
5
通讯作者:
Porrati, Massimo
Porrati, Massimo
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Greene, Brian;Kabat, Daniel;Levin, Janna;Porrati, Massimo

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通过部分压缩的洛伦兹不变大体积时空执行适当运动的薄膜观察者,例如,可以沿着薄膜发送瞬时的信号,甚至在时间上倒退。尽管如此,品牌世界中的因果关系仍然完好无损。我们根据Greeneet等人报告的超光速信号传播[运动薄膜世界上的超光速传播,Phys.Rev.D106,085001(2022).PRVDAQ2470-001010.1103/PhysRevD.106.085001],通过经典分析,然后通过检验量子力学微观因果关系来扩展我们的推理。其中一个含义是能够在任意长距离内进行实时通信。
Brane observers executing appropriate motion through a partially compactified Lorentz invariant bulk spacetime, such as, can send signals along the brane that are instantaneous or even travel backward in time. Nevertheless, causality in the braneworld remains intact. We establish these results, which follow from superluminal signal propagation reported in Greeneet al.[Superluminal propagation on a moving braneworld, Phys. Rev. D 106, 085001 (2022).PRVDAQ2470-001010.1103/PhysRevD.106.085001], through classical analysis and then extend our reasoning by examining quantum mechanical microcausality. One implication is the capacity for real time communication across arbitrarily large distances.
弯曲时空的微观因果关系
DOI: --
发表时间: 2007
期刊:
影响因子: --
作者:
S. Dubovsky;Alberto Nicolis;E. Trincherini;G. Villadoro
通讯作者: G. Villadoro
移动膜世界上的超光速传播
DOI: 10.1103/physrevd.106.085001
发表时间: 2022
期刊: Physical Review D
影响因子: 5
作者:
Greene, Brian;Kabat, Daniel;Levin, Janna;Menon, Arjun S.
通讯作者: Menon, Arjun S.