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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/072/01/0263-0267

    • Keywords

       

      Inflationary cosmology; physics of the early universe; cosmic microwave back-ground radiation.

    • Abstract

       

      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.

    • Author Affiliations

       

      M Kaplinghat1 L Sriramkumar2 A Berera3 P Chingangbam4 R K Jain2 M Joy5 J Martin6 S Mohanty7 A Nautiyal7 R Rangarajan7 S Ray5 V H S Kumar8

      1. Centre for Cosmology, Department of Physics and Astronomy, University of California, Irvine, CA 92697, USA
      2. Harish-Chandra Research Institute, Chhatnag Road, Jhunsi, Allahabad 211 019, India
      3. School of Physics, University of Edinburgh, Edinburgh, EH9 3JZ, UK
      4. Korea Institute of Advanced Study, 207-43 Cheongnyangni 2-dong, Dongdaemun-gu, Seoul 130-722, Korea
      5. Inter-University Centre for Astronomy and Astrophysics, Post Bag 4, Ganeshkhind, Pune 411 007, India
      6. Institut d'Astrophysique de Paris, UMR 7095-CNRS, Universite Pierre et Marie Curie, 98 bis boulevard Arago, 75014 Paris, France
      7. Theory Division, Physical Research Laboratory, Navrangpura, Ahmedabad 380 009, India
      8. School of Physics, University of Hyderabad, Hyderabad 500 046, India

    • Dates

       
      Published
      January 2009

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