宇宙项
- 网络cosmological term
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有限温度下带宇宙项的引力场的真空衰变
Vacuum decay of gravitational field with cosmological term at finite temperature
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实际上,宇宙项在太阳系的尺度是观察不到的,但是它在大尺度下会产生一种宇宙排斥力,抵消了相隔很远物体之间的引力。
Physically , the cosmological term would have been unobservable on the scale of our solar system , but it would produce a cosmic repulsion on larger scales that would counteract the gravitational attraction of distant objects .
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因Birkhoff定理是对不含宇宙项∧的四维时空成立,本文将该定理推广到含宇宙项∧的高维时空。导出了当宇宙项存在时的schwarzchild内部解。
Because Birkhoff theorem is established in four dimensional times and spaces without cosmic term ∧, the paper , however , spreads this theorem to a higher dimensional space and time containing the cosmic term ∧ .
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含宇宙项带电时空中旋量粒子的量子效应
The Quantum Effect of Charged Spinor Particle with Cosmos
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含宇宙项球对称黑洞的非热辐射
Not-hot Radiation of Sphere Symmetry Black Hole with Cosmos
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倍频程及1/3倍频程频谱图用新改进的方法研究动态含宇宙项球对称带电蒸发黑洞视界附近的量子非热效应,并给出辐射频谱。
This text uses the new improvement method to study dynamic contains the cosmos symmetry electricity evaporation black hole horizon neighborhood effect of the quantum radiate frequency chart , and deduce to chart .
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宇宙飞行是一项高风险任务,特别是探月工程。
Space flight is a high-risk undertaking , and lunar probing is particularly so .