Cosmology with CMB anisotropy
arXiv:astro-ph/0607255 · doi:10.1007/s12043-006-0063-4
Abstract
Measurements of CMB anisotropy and, more recently, polarization have played a very important role allowing precise determination of various parameters of the `standard' cosmological model. The expectation of the paradigm of inflation and the generic prediction of the simplest realization of inflationary scenario in the early universe have also been established -- `acausally' correlated initial perturbations in a flat, statistically isotropic universe, adiabatic nature of primordial density perturbations. Direct evidence for gravitational instability mechanism for structure formation from primordial perturbations has been established. In the next decade, future experiments promise to strengthen these deductions and uncover the remaining crucial signature of inflation -- the primordial gravitational wave background.
Plenary talk at the IXth. International Workshop on High Energy Physics Phenomenology (WHEPP-9), Institute of Physics, Bhubaneshwar, India. Jan 3-14, 2006; To appear in the Proceedings to be published in Pramana; 12 pages, 2 figures
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