10.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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21 papers · 2 filters
Cosmology of Vacuum
V. Burdyuzha, G. Vereshkov
Shortly the vacuum component of the Universe from the geometry point of view and from the point of view of the standard model of physics of elementary particles is discussed. Some…
Conversion of Dark matter axions to photons in magnetospheres of neutron stars
M. S. Pshirkov, S. B. Popov
We propose a new method to detect observational appearance of Dark Matter axions. The method utilizes observations of neutron stars (NSs) in radio. It is based on the conversion of…
Reply to Comment on "Modified Coulomb Law in a Strongly Magnetized Vacuum"
A. E. Shabad, V. V. Usov
This is a reply to the Comment by S.-Y. Wang concerning our paper "Modified Coulomb Law in a Strongly Magnetized Vacuum"
Is There a Relationship between the Density of Primordial Black Holes in a Galaxy and the Rate of Cosmological Gamma-Ray Bursts?
Alexander Shatskiy
The rate of accretion of matter from a solar-type star onto a primordial black hole (PBH) that passes through it is calculated. The probability that a PBH is captured into an orbit…
Electron-Positron Plasma Generation in a Magnetar Magnetosphere
Ya. N. Istomin, D. N. Sobyanin
We consider the electron-positron plasma generation processes in the magnetospheres of magnetars - neutron stars with strong surface magnetic fields, B = 10^(14) - 10^(15) G. We sh…
Multiwavelength Observations of the Powerful Gamma-ray Quasar PKS 1510-089: Clues on the Jet Composition
J. Kataoka, G. Madejski, M. Sikora +16
We present the results from a multiwavelength campaign of the powerful Gamma-ray quasar PKS 1510-089. This campaign commenced with a deep Suzaku observation lasting three days for…
Doppler Boosting, Superluminal Motion, and the Kinematics of AGN Jets
K. I. Kellermann, Y. Y. Kovalev, M. L. Lister +8
We discuss results from a decade long program to study the fine-scale structure and the kinematics of relativistic AGN jets with the aim of better understanding the acceleration an…
Launch of the Space experiment PAMELA
M. Casolino, P. Picozza, F. Altamura +56
PAMELA is a satellite borne experiment designed to study with great accuracy cosmic rays of galactic, solar, and trapped nature in a wide energy range protons: 80 MeV-700 GeV, elec…
On the Possibility of the Detection of Extinct Radio Pulsars
V. S. Beskin, S. A. Eliseeva
We explore the possibilities for detecting pulsars that have ceased to radiate in the radio band. We consider two models: the model with hindered particle escape from the pulsar su…
Diffuse Gamma-ray Emission from the Galactic Center - A Multiple Energy Injection Model
K. S. Cheng, D. O. Chernyshov, V. A. Dogiel
We suggest that the energy source of the observed diffuse gamma-ray emission from the direction of the Galactic center is the Galactic black hole Sgr A*, which becomes active when…
Electric field of a pointlike charge in a strong magnetic field and ground state of a hydrogenlike atom
A. E. Shabad, V. V. Usov
In an external constant magnetic field, so strong that the electron Larmour length is much shorter than its Compton length, we consider the modification of the Coulomb potential of…
Dark matter annihilation near a black hole: plateau vs. weak cusp
Eugene Vasiliev
Dark matter annihilation in so-called ``spikes'' near black holes is believed to be an important method of indirect dark matter detection. In the case of circular particle orbits,…
Gamma Rays frim the Galactic Centre
A. D. Erlykin, A. W. Wolfendale
Recent results from the HESS gamma ray telescope have shown the presence of both a diffuse, extended, flux of gamma rays above ~0.4 TeV and discrete sources in and near the Galacti…
TYC 1031 01262 1: The First Known Galactic Eclipsing Binary with a Type II Cepheid Component
S. V. Antipin, K. V. Sokolovsky, T. I. Ignatieva
We present the discovery and CCD observations of the first eclipsing binary with a Type II Cepheid component in our Galaxy. The pulsation and orbital periods are found to be 4.1523…
On the Possibility of Observing the Shapiro Effect for Pulsars in Globular Clusters
T. I. Larchenkova, A. A. Lutovinov
For pulsars in globular clusters, we suggest using observations of the relativistic time delay of their radiation in the gravitational eld of a massive body (the Shapiro effect) lo…
Utilization of photon orbital angular momentum in the low-frequency radio domain
B. Thidé, H. Then, J. Sjöholm +6
We show numerically that vector antenna arrays can generate radio beams which exhibit spin and orbital angular momentum characteristics similar to those of helical Laguerre-Gauss l…
Statistical properties of giant pulses from the Crab pulsar
M. V. Popov, B. Stappers
We have studied the statistics of giant pulses from the Crab pulsar for the first time with particular reference to their widths. We have analyzed data collected during 3.5 hours o…
Rigidity-dependent cosmic ray energy spectra in the knee region obtained with the GAMMA experiment
A. P. Garyaka, R. M. Martirosov, S. V. Ter-Antonyan +4
On the basis of the extensive air shower (EAS) data obtained by the GAMMA experiment, the energy spectra and elemental composition of the primary cosmic rays are derived in the 1-1…
Modified Coulomb Law in a Strongly Magnetized Vacuum
Anatoly E. Shabad, Vladimir V. Usov
We study electric potential of a charge placed in a strong magnetic field B>>4.4x10^{13}G, as modified by the vacuum polarization. In such field the electron Larmour radius is much…
The radio delay of the exceptional 3C 454.3 outburst. Follow-up WEBT observations in 2005-2006
M. Villata, C. M. Raiteri, M. F. Aller
In spring 2005 the blazar 3C 454.3 was observed in an unprecedented bright state from the near-IR to the hard X-ray frequencies. A mm outburst peaked in June-July 2005, and it was…
Giant pulses of pulsar radio emission
A. D. Kuzmin
Review report of giant pulses of pulsar radio emission, based on our detections of four new pulsars with giant pulses, and the comparative analysis of the previously known pulsars…