Pander
发表于 2025-3-26 23:49:17
EFT Approach to Black Hole Scalarization and Its Compatibility with Cosmic EvolutionT) point of view. In practice, using a well-defined and healthy toy model which (in part) has been broadly considered in the literature, we consider how higher-order theories of gravity, up to cubic operators in Riemann curvature, fit within this context. Interestingly enough, we find that already a
无所不知
发表于 2025-3-27 02:44:38
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Atmosphere
发表于 2025-3-27 05:35:17
Black-Hole Spectroscopy: Quasinormal Modes, Ringdown Stability and the Pseudospectrume ringdown modes in gravitational waveforms could soon lead to high-precision gravitational-wave spectroscopy, thus it is critical to understand if the quasinormal mode spectrum itself is affected by astrophysical environments, quantum corrections, and other generic modifications. In this chapter, w
myocardium
发表于 2025-3-27 09:51:25
WKB Method and Quasinormal Modes of String-Theoretical D-Dimensional Black Holesasinormal frequencies. We apply these results to the calculation of quasinormal frequencies associated with gravitational perturbations of d-dimensional spherically symmetric black holes with string corrections. We do this for two distinct limits: the eikonal limit and the asymptotic limit.
纠缠,缠绕
发表于 2025-3-27 14:55:57
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glisten
发表于 2025-3-27 21:17:56
Seven Years of LIGO-Virgo Scienceysical objects. A direct consequence of general relativity, they were first directly observed in 2015 by the twin Laser Interferometer Gravitational Wave Observatory (LIGO) observatories. The LIGO and Virgo gravitational–wave detectors carried out the third observing run in 2020. Several new signals
过分自信
发表于 2025-3-28 01:15:19
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确定方向
发表于 2025-3-28 05:25:03
BINGO-ABDUS: A Radiotelescope to Unveil the Dark Sector of the Universeeionization 21 cm signals and fast radio emissions. It is concentrated on the important period for understanding the recent Universe dynamics that have shed light on the existence of the Dark Sector. In its first phase, BINGO will explore the southern celestial Hemisphere to observe neutral hydrogen
鄙视
发表于 2025-3-28 09:22:32
Machine Learning Applications in Gravitational Wave Astronomyrent number of .(100) detections is expected to grow by several orders of magnitude over the next two decades. As a result, current computationally expensive detection algorithms will become impractical. A solution to this problem, which has been explored in the last years, is the application of mac
Immortal
发表于 2025-3-28 12:15:13
Features in the Inflaton Potential and the Spectrum of Cosmological Perturbationshe largest scales. At smaller scales, however, perturbations are not severely constrained and might be of particular importance if their amplitude is large. They can trigger the creation of primordial black holes (PBHs) or stochastic gravitational waves (GWs). Small-scale perturbations are generated