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Bayesian Implications for the Primordial Black Holes from NANOGrav's Pulsar-Timing Data Using the Scalar-Induced Gravitational Waves
Zhi-Chao Zhao, Sai Wang
Assuming that the common-spectrum process in the NANOGrav 12.5-year dataset has an origin of scalar-induced gravitational waves, we study the enhancement of primordial curvature pe…
Multi-TeV photons from GRB 221009A: uncertainty of optical depth considered
Zhi-Chao Zhao, Yong Zhou, Sai Wang
It is reported that the Large High Altitude Air Shower Observatory (LHAASO) observed thousands of very-high-energy photons up to 18 TeV from GRB 221009A. We study the surviva…
Detecting Entanglement by Pure Bosonic Extension
Xuanran Zhu, Chao Zhang, Chenfeng Cao +3
In the realm of quantum information theory, the detection and quantification of quantum entanglement stand as paramount tasks. The relative entropy of entanglement (REE) serves as…
On GSOR, the Generalized Successive Overrelaxation Method for Double Saddle-Point Problems
Na Huang, Yu-Hong Dai, Dominique Orban +1
We consider the generalized successive overrelaxation (GSOR) method for solving a class of block three-by-three saddle-point problems. Based on the necessary and sufficient conditi…
Improving the estimation of directional area scattering factor (DASF) from canopy reflectance: theoretical basis and validation
Yi Lin, Siyuan Liu, Lei Yan +3
Directional area scattering factor (DASF) is a critical canopy structural parameter for vegetation monitoring. It provides an efficient tool for decoupling of canopy structure and…