Effects of a variation of the fine structure constant on the CMB fluctuation spectrum
S.J.Landau (1) and D.D.Harari (2)
(1) Facultad de Ciencias Astron\'{o}micas y Geof{\'\i}sicas,
U.N.L.P., Paseo del Bosque S/N, 1900 La Plata ,
Provincia de Buenos Aires, Argentina
(2) Departamento de F{\'\i}sica,F.C.E.N-U.B.A., Ciudad Universitaria, Pab.I,
Buenos Aires , Argentina
Abstract:
We study the effects of a possible variation in the
fine structure constant on the CMB temperature and polarization
fluctuation spectrum. We discuss some properties that may
distinguish this effect from changes in other cosmological parameters
such as $\Omega_b,\Omega_0 $ and $H_0$.