平淡而无味
发表于 2025-3-23 11:10:56
Gravitational Waves from Blackhole Quasi-Normal Mode Oscillations,NM). The oscillations of the blackhole metric are accompanied by emission of gravitational waves hence the frequencies become ‘quasi-normal’ (complex), with the real part representing the actual frequency of the oscillation and the imaginary part representing the damping due to energy loss into grav
grovel
发表于 2025-3-23 17:37:11
Refractive Index and Damping of Gravitational Waves in a Medium,tter with non-zero shear viscosity. The speed of gravitational waves can differ from . when propagating through in-homogenous scalar field configurations and in modified theories of gravity. Observationally, the damping of gravitational waves and the change in speed of gravity can be probed using mu
archetype
发表于 2025-3-23 19:17:29
Stochastic Gravitational Waves,symmetry breaking chain .. There are two sources of gravitational waves. First, there is energy released in First Order Phase Transitions in the form of gravitational waves, whose characteristic frequency in the present universe depends on the temperature of the phase transition. Second, the symmetr
entitle
发表于 2025-3-24 00:56:19
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finite
发表于 2025-3-24 03:35:49
https://doi.org/10.1007/978-3-658-22374-8so be used to test the nature of general relativity (GR) in particular about whether GR is a geometrical theory or a quantum field theory like the other interactions of physics. Studying GR as a quantum field theory (QFT) helps in uncovering new aspects even in the classical phenomenon. Gravitationa
尾随
发表于 2025-3-24 09:48:18
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葡萄糖
发表于 2025-3-24 13:50:50
Narrative, Perception, Language, and Faithderive the Peter and Mathews formula for the energy loss from compact binaries in elliptical orbits. Comparison of the prediction of period loss with observations from the Hulse–Taylor binary gave the first experimental evidence of existence of gravitational waves. The field theory method is then al
GLUT
发表于 2025-3-24 16:13:06
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Lime石灰
发表于 2025-3-24 21:27:44
https://doi.org/10.1007/978-3-030-04960-7btained by going to a closed time path formulation or the in-in formulation which is the method suitable for describing non-equilibrium phenomenon. We discuss the CTP path integrals and the Keldysh formulation and including extensions to finite temperature. We illustrate these concepts by calculatin
Leaven
发表于 2025-3-25 01:52:47
The Rooms: Alcoholics Anonymous,NM). The oscillations of the blackhole metric are accompanied by emission of gravitational waves hence the frequencies become ‘quasi-normal’ (complex), with the real part representing the actual frequency of the oscillation and the imaginary part representing the damping due to energy loss into grav