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4 papers · 1 filter
On the gravitational instability of a dissipative medium
L. S. García Colín, Alfredo Sandoval-Villalbazo
This paper shows that the ordinary Jeans wave number can be obtained as a limiting case of a more general approach that includes dissipative effects. Corrections to the Jeans criti…
A structure factor approach to the Sunyaev-Zel'dovich effect
Alfredo Sandoval-Villalbazo
Structure factor theory (SFT) is applied to analyze distortions to the Cosmic Microwave Background Radiation (CMBR) due the Sunyaev-Zel'dovich Effect (SZE) in typical clusters of g…
Kaluza's theory in generalized coordinates
Ana Laura Garcia-Perciante, Alfredo Sandoval-Villalbazo, L. S. Garcia-Colin
Maxwell's equations can be obtained in generalized coordinates by considering the electromagnetic field as an external agent. The work here presented shows how to obtain the electr…
Brillouin scattering and the CMB
Alfredo Sandoval-Villalbazo, Roy Maartens
Brillouin scattering of photons off the density fluctuations in a fluid is potentially important for cosmology. We derive the Brillouin spectral distortion of blackbody radiation,…