Articles written in Pramana – Journal of Physics
Volume 72 Issue 1 January 2009 pp 263-267
This is a summary of the activities of the working group on cosmology at WHEPP-X. The three main problems that were discussed at some length by the group during the course of the workshop were (i) canceling a `large' cosmological constant, (ii) non-Gaussianities in inflationary models and (iii) stability of interacting models of dark energy and dark matter. We have briefly outlined these problems and have indicated the progress made.
Volume 76 Issue 5 May 2011 pp 693-698
Raghavan Rangarajan Ajit Srivastava A Bandyopadhyay A Basak M Bastero-Gil A Berera J Bhatt K Bhattacharya S Chakraborty M Das S Das K Dutta D Ghosh S Goswami U Gupta P Jain Y-Y Keum E Masso D Majumdar A P Mishra S Mohanty R Mohapatra A Nautiyal T Prokopec S Rao D P Roy N Sahu A Sarkar P Saumia A Sen A Shivaji
This is the report of the cosmology and astroparticle physics working group at WHEPPXI. We present the discussions carried out during the workshop on selected topics in the above ﬁelds. The problems discussed concerned axions, infrared divergences in inﬂationary theories, supersonic bubbles in a ﬁrst-order electroweak phase transition, dark matter, MOND, interacting dark energy, composite Higgs models and statistical anisotropy of the Universe.
Volume 94, 2020
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