• Jnanadeva Maharana

      Articles written in Pramana – Journal of Physics

    • Becchi-Rouet-Stora-Tyutin quantization and Hamiltonian formalism

      Jnanadeva Maharana

      More Details Abstract Fulltext PDF

      An introductory review of BRST hamiltonian formalism is presented. The method of quantization of gauge and string theories is discussed. A few simple examples are presented to illustrate the BRST techniques.

    • String cosmology

      Jnanadeva Maharana Sudipta Mukherji

      More Details Abstract Fulltext PDF

      In this review, we discuss various cosmological issues related to our Universe from a string theoretic perspective. We analyse the pre-big bang cosmological scenario which appears naturally in this context due to the existence of scale factor duality symmetry in string theory. We then discuss some of the attractive and problematic features of this scenario. Finally, we introduce a method which is powerful enough to search for cosmological solutions in various low energy limits of string theories.

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