X
Search Filters
Format Format
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
astronomy & astrophysics (81) 81
physics, particles & fields (69) 69
general relativity and quantum cosmology (47) 47
physics - general relativity and quantum cosmology (36) 36
astrophysics (20) 20
black holes (20) 20
high energy astrophysical phenomena (18) 18
radiation (15) 15
scattering (15) 15
relativity (14) 14
high energy physics - theory (13) 13
physics, multidisciplinary (12) 12
black-holes (11) 11
stability (11) 11
absorption (10) 10
absorption cross sections (10) 10
physics (10) 10
emission-spectra (9) 9
gravitation (8) 8
cross-sections (7) 7
perturbations (7) 7
quantum field theory (7) 7
quasi-normal modes (7) 7
astrophysics - high energy astrophysical phenomena (6) 6
conversion (6) 6
mathematical models (6) 6
waves (6) 6
cosmology (5) 5
field theory (5) 5
particle (5) 5
physics, nuclear (5) 5
quantization (5) 5
scalars (5) 5
schwarzschild (5) 5
spacetime (5) 5
stars (5) 5
analog (4) 4
circular orbits (4) 4
emission (4) 4
gravitational-radiation (4) 4
gravity (4) 4
klein-gordon equation (4) 4
physics of elementary particles and fields (4) 4
quantum theory (4) 4
space-time (4) 4
accretion disk (3) 3
analysis (3) 3
boundary conditions (3) 3
curvature (3) 3
electromagnetic fields (3) 3
elementary particles (3) 3
equations (3) 3
event horizon (3) 3
field (3) 3
general physics (3) 3
general relativity (3) 3
general-relativity (3) 3
gravitational-waves (3) 3
hair (3) 3
hawking radiation (3) 3
horizon (3) 3
mathematical analysis (3) 3
quantum field-theory (3) 3
scalar field (3) 3
scalar waves (3) 3
scattering cross sections (3) 3
solar eclipses (3) 3
universality (3) 3
absorption cross-sections (2) 2
absorption spectra (2) 2
accretion (2) 2
accretion disks (2) 2
amazonia (2) 2
astronomy, astrophysics and cosmology (2) 2
black-hole (2) 2
boson (2) 2
boson fields (2) 2
capture cross sections (2) 2
circular orbit (2) 2
clouds (2) 2
computer science (2) 2
cosmology and extragalactic astrophysics (2) 2
cross sections (2) 2
dynamics (2) 2
eclipses (2) 2
elementary particles, quantum field theory (2) 2
energy (2) 2
equation (2) 2
expeditions (2) 2
galactic nuclei (2) 2
galaxies (2) 2
geodesy (2) 2
geometry (2) 2
gravitational waves (2) 2
graviton two-point function (2) 2
horizons (2) 2
inflationary universe (2) 2
infrared behavior (2) 2
mass (2) 2
massless scalar waves (2) 2
more...
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


International Journal of Modern Physics D, ISSN 0218-2718, 08/2018, Volume 27, Issue 11, p. 1843004
I report on the three expeditions organized to observe, in the Brazilian State of Ceará, the total solar eclipse on May 29, 1919. Apart from the well-known... 
Solar eclipse | General Relativity | scientific expeditions | ASTRONOMY & ASTROPHYSICS | Eclipses
Journal Article
Reviews of modern physics, ISSN 1539-0756, 2008, Volume 80, Issue 3, pp. 787 - 838
Journal Article
The Astrophysical journal, ISSN 1538-4357, 2013, Volume 774, Issue 1, pp. 48 - 16
Journal Article
Physics letters. B, ISSN 0370-2693, 2019, Volume 795, pp. 496 - 501
We investigate the scattering of a massless scalar field by a Kerr-Newman black hole, considering the case of on-axis incidence. We use the partial wave method... 
Scattering of fields | Scalar field | Black holes | WAVES | GLORIES | ASTRONOMY & ASTROPHYSICS | PHYSICS, NUCLEAR | ABSORPTION | RADIATION | PHYSICS, PARTICLES & FIELDS | Physics - General Relativity and Quantum Cosmology
Journal Article
International journal of modern physics. D, Gravitation, astrophysics, cosmology, ISSN 1793-6594, 2018, Volume 27, Issue 11, p. 1843013
We compute the quasinormal frequencies of a purely rotating isothermal perfect fluid. We show that this system is unstable under linear perturbations, when the... 
isothermal perfect fluid | ergoregion instability | Analog models | ANALOG | ASTRONOMY & ASTROPHYSICS | BLACK-HOLES
Journal Article
Physical review. D, Particles, fields, gravitation, and cosmology, ISSN 1550-2368, 2015, Volume 92, Issue 8
The scattering cross sections of the unpolarized electromagnetic and gravitational waves are shown to be equal for the extreme Reissner-Nordstrom black hole... 
SPIN | N=2 SUPERGRAVITY | RADIATION | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Gravitation | Gravitational waves | Scattering cross sections | Cosmology | Black holes (astronomy) | Supergravity | Conversion | Cross sections
Journal Article
International journal of modern physics. D, Gravitation, astrophysics, cosmology, ISSN 1793-6594, 2018, Volume 27, Issue 11, p. 1843012
We investigate null geodesics impinging parallel to the rotation axis of a Kerr–Newman black hole, and show that the absorption cross section for a massless... 
Kerr-Newman black holes | null geodesics | scalar absorption | ASTRONOMY & ASTROPHYSICS | Physics - General Relativity and Quantum Cosmology
Journal Article
International Journal of Modern Physics D, ISSN 0218-2718, 08/2018, Volume 27, Issue 11, p. 1843002
Extreme curvature settings and nontrivial causal structure of curved spacetimes may have interesting theoretical and practical implications for quantum field... 
infrared behavior | static de Sitter spacetime | Graviton two-point function | ASTRONOMY & ASTROPHYSICS | SYNCHROTRON-RADIATION | Analysis | Radiation
Journal Article
Physical review letters, ISSN 1079-7114, 2009, Volume 102, Issue 23, p. 231103
We analyze the scattering of a planar monochromatic electromagnetic wave incident upon a Schwarzschild black hole. We obtain accurate numerical results from... 
PHYSICS, MULTIDISCIPLINARY | MASSLESS SCALAR WAVES | ABSORPTION | Physics - General Relativity and Quantum Cosmology
Journal Article
International Journal of Modern Physics D, ISSN 0218-2718, 08/2016, Volume 25, Issue 9, p. 1641002
We report the visit to Amazonia of the British astronomers Crommelin and Davidson, in their way to the Brazilian city Sobral to perform the measurements... 
Davidson | Amazonia | Total solar eclipse 1919 | Crommelin | ASTRONOMY & ASTROPHYSICS
Journal Article
International journal of modern physics. D, Gravitation, astrophysics, cosmology, ISSN 1793-6594, 2018, Volume 27, Issue 11, p. 1843017
Astrophysical black holes are often with companions, including other gravitating objects, accretion disks, electromagnetic fields, and others. Because of the... 
accretion | Black holes | absorption of fields | NORMAL-MODES | ASTRONOMY & ASTROPHYSICS
Journal Article
Journal Article
International Journal of Modern Physics D, ISSN 0218-2718, 08/2016, Volume 25, Issue 9, p. 1641019
We show that a purely circulating and compressible system, in an adiabatic regime of acoustic propagation, presents superresonant instabilities. To show the... 
Acoustic analogues | adiabatic sound propagation regime | superresonant instability | QUASI-NORMAL MODES | ASTRONOMY & ASTROPHYSICS | BLACK-HOLES
Journal Article
International Journal of Modern Physics D, ISSN 0218-2718, 08/2016, Volume 25, Issue 9, p. 1641016
In [R. P. Bernar, L. C. B. Crispino and A. Higuchi, Phys. Rev. D 90 (2014) 024045.] we investigated gravitational perturbations in the background of de Sitter... 
infrared behavior | static de Sitter spacetime | Graviton two-point function | PERTURBATIONS | ASTRONOMY & ASTROPHYSICS | TENSOR SPHERICAL-HARMONICS | SUPERNOVAE | ROBERTSON-WALKER UNIVERSES
Journal Article
International Journal of Modern Physics D, ISSN 0218-2718, 08/2016, Volume 25, Issue 9, p. 1641008
We discuss the phenomenology of massless scalar fields around a regular Bardeen black hole, namely absorption cross-section, scattering cross-section and... 
regular black holes | Wave scattering | ASTRONOMY & ASTROPHYSICS | Physics - General Relativity and Quantum Cosmology
Journal Article
International Journal of Modern Physics D, ISSN 0218-2718, 08/2016, Volume 25, Issue 9, p. 1641022
We review recent progress in the application of numerical relativity techniques to astrophysics and high-energy physics. We focus on recent developments... 
numerical methods | neutron stars | modified theories of gravity | Black holes | KLEIN-GORDON EQUATION | GRAVITATIONAL-WAVE | GENERAL-RELATIVITY | COALESCING BINARY-SYSTEMS | BRANS-DICKE THEORY | SCALAR-TENSOR THEORIES | ASTRONOMY & ASTROPHYSICS | COMPACT OBJECTS | TESTING GRAVITY | BARYON NUMBER | ROTATING BLACK-HOLE
Journal Article
Physical review. D, Particles, fields, gravitation, and cosmology, ISSN 1550-7998, 07/2015, Volume 92, Issue 2
Analogue systems are a powerful instrument to investigate and understand in a controlled setting many general-relativistic effects. Here, we focus on... 
ANALOG | ASTRONOMY & ASTROPHYSICS | BLACK-HOLES | PHYSICS, PARTICLES & FIELDS | Physics - General Relativity and Quantum Cosmology
Journal Article