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    • String theory and cosmological singularities

      Sumit R Das

      Volume 69 Issue 1 July 2007 pp 93-108

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/069/01/0093-0108

    • Keywords

       

      String theory; cosmological singularities.

    • Abstract

       

      In general relativity space-like or null singularities are common: they imply that `time' can have a beginning or end. Well-known examples are singularities inside black holes and initial or final singularities in expanding or contracting universes. In recent times, string theory is providing new perspectives of such singularities which may lead to an understanding of these in the standard framework of time evolution in quantum mechanics. In this article, we describe some of these approaches.

    • Author Affiliations

       

      Sumit R Das1

      1. Department of Physics and Astronomy, University of Kentucky, Lexington, KY 40506, USA

    • Dates

       
      Published
      July 2007

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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