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Revisiting cosmic microwave background radiation using blackbody radiation inversion. [PDF]

open access: yesSci Rep, 2021
AbstractBlackbody radiation inversion is a mathematical process for the determination of probability distribution of temperature from measured radiated power spectrum. In this paper a simple and stable blackbody radiation inversion is achieved by using an analytical function with three determinable parameters for temperature distribution.
Konar K, Bose K, Paul RK.
europepmc   +5 more sources

Cosmic Needles versus Cosmic Microwave Background Radiation [PDF]

open access: yesThe Astrophysical Journal, 2002
It has been suggested by a number of authors that the 2.7K cosmic microwave background (CMB) radiation might have arisen from the radiation from Population III objects thermalized by conducting cosmic graphite/iron needle-shaped dust.
Aguirre A. N.   +16 more
core   +3 more sources

Testing Isotropy of Cosmic Microwave Background Radiation [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2007
We introduce new symmetry-based methods to test for isotropy in cosmic microwave background radiation. Each angular multipole is factored into unique products of power eigenvectors, related multipoles and singular values that provide 2 new rotationally ...
Jain, Pankaj   +3 more
core   +4 more sources

Long range correlation in cosmic microwave background radiation [PDF]

open access: yesPhysical Review E, 2011
We investigate the statistical anisotropy and Gaussianity of temperature fluctuations of Cosmic Microwave Background radiation (CMB) data from {\it Wilkinson Microwave Anisotropy Probe} survey, using the multifractal detrended fluctuation analysis ...
C. L. Alados   +17 more
core   +3 more sources

The cosmic microwave background radiation

open access: yesPhysics Reports, 2000
We summarize the theoretical and observational status of the study of the Cosmic Microwave Background radiation. Its thermodynamic spectrum is a robust prediction of the Hot Big Bang cosmology and has been confirmed observationally. There are now 76 observations of Cosmic Microwave Background anisotropy, which we present in a table with references.
Gawiser, Eric, Silk, Joseph
openaire   +4 more sources

Cosmic Microwave Background Radiation Anisotropy Induced by Cosmic Strings

open access: yes, 1994
We report on a current investigation of the anisotropy pattern induced by cosmic strings on the cosmic microwave background radiation (MBR). We have numerically evolved a network of cosmic strings from a redshift of $Z = 100$ to the present and ...
Allen, B.   +4 more
core   +4 more sources

Neutrinos And Big Bang Nucleosynthesis [PDF]

open access: yes, 2012
According to the standard models of particle physics and cosmology, there should be a background of cosmic neutrinos in the present Universe, similar to the cosmic microwave photon background.
Steigman, Gary
core   +4 more sources

THE COSMIC MICROWAVE BACKGROUND RADIATION* [PDF]

open access: yesAnnals of the New York Academy of Sciences, 1981
Because angular anisotropies and spectral distortions of the cosmic microwave background radiation are judged to be inevitable at some level, in a realistic cosmological model, the evidence for spectral distortions and its theoretical implications are described.
openaire   +1 more source

Comment on "On the Origin of the Highest Energy Cosmic Rays" [PDF]

open access: yes, 1998
We show that the photodisintegration of heavy cosmic ray nuclei with energies above 10^20 eV is dominated by interactions with photons from the cosmic microwave background radiation, rather than from infrared ones.
E. Roulet   +4 more
core   +2 more sources

Photon-graviton conversion in a primordial magnetic field and the cosmic microwave background [PDF]

open access: yes, 1996
We reconsider the effects of photon-graviton conversion in a primordial magnetic field upon the cosmic microwave background radiation. We argue that plasma effects make the photon-graviton conversion process negligible.Comment: Revtex, 3 pages. To appear
Cillis, Analia N., Harari, Diego D.
core   +2 more sources

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