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Towards the merger of Hawking radiating black holes

期刊: INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 2021; 30 (08)

We discuss the merger process of binary black holes with Hawking radiation taken into account. Besides the redshifted radiation to infinity, binary bl......

Polarization properties of iron emission lines as a tool to identify the finite thickness of disks with moderately super-Eddington accretion rate

期刊: INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 2021; 30 (10)

The Fe-K alpha fluorescence lines are commonly observed in AGNs and X-ray binaries. The lines are believed to be originated from the reflection of the......

Gravitational collapse of an anisotropic fluid and interacting vacuum energy density: The curvature effect

期刊: INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 2021; 30 (3)

In this paper, we study the gravitational collapse of a spherical symmetric star constituted of matter interacting with vacuum energy density ? in the......

Building healthy Lagrangian theories with machine learning

期刊: INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 2021; 30 (11)

The existence or not of pathologies in the context of Lagrangian theory is studied with the aid of Machine Learning algorithms. Using an example in th......

Dynamics of charged and magnetized particles around cylindrical black holes immersed in external magnetic field

期刊: INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 2021; 30 (3)

The motion and acceleration of an electrically charged and magnetized particle around a cylindrical black hole in the presence of an external asymptot......

A detailed exploration of the EDGES 21cm absorption anomaly and axion-induced cooling

期刊: INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 2021; 30 (06)

The EDGES collaboration's observation of an anomalously strong 21 cm absorption feature around the cosmic dawn era has energised the cosmological comm......

Baryon-Baryon interaction effects on neutrino emission from direct URCA processes of baryons and modified URCA processes of nucleons in neutron star matter

期刊: INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 2021; 30 (07)

In the framework of the relativistic mean field theory, the neutrino emission from the baryonic direct URCA processes and nucleonic modified URCA proc......

Scalarization of slowly rotating black holes

期刊: INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 2021; 30 (11)

It is interesting to note that most black holes are born very slowly rotating. We investigate scalarization of slowly rotating black holes in the Eins......

Kerr-Schild form of the exact metric for a constantly moving Kerr black hole and null gravitational deflection

期刊: INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 2021; 30 (09)

The exact metric of a moving Kerr black hole with an arbitrary constant velocity is derived in Kerr-Schild coordinates. We then calculate the null equ......

Information recovery from evaporating black holes

期刊: INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 2021; 30 (09)

We show that the apparent horizon and the region near r = 0 of an evaporating charged, rotating black hole are timelike. It then follows that black ho......

The entropy evolution of a Schwarzschild-(Anti) de Sitter black hole

期刊: INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 2020; 29 (7)

Based on the definition of the interior volume of spherically symmetry black holes, the interior volume of Schwarzschild-(Anti) de Sitter black holes ......

Possibility of studying the effects of the DM-electron scattering on the cosmic microwave background based on simple assumptions

期刊: INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 2020; 29 (7)

Investigating the dark matter (DM) properties in the view of cosmic evolution is an important method in searching for DM. In this paper, we derive the......

Solar system tests of a new class of f(z) theory

期刊: INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 2020; 29 (8)

Recently, a new kind of f (z) theory is proposed to provide a different perspective for the development of reliable alternative models of gravity in w......

Impact of orbital orientations and radii on TianQin constellation stability

期刊: INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 2020; 29 (8)

TianQin is a proposed space-based gravitational-wave observatory mission to be deployed in high circular Earth orbits. The equilateral-triangle conste......

Strong gravitational lensing of a 4-dimensional Einstein-Gauss-Bonnet black hole in homogeneous plasma

期刊: INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 2020; 29 (9)

We investigate the strong gravitational lensing of spherically symmetric black holes in the novel Einstein-Gauss-Bonnet (EGB) gravity surrounded by un......

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