Articles written in Pramana – Journal of Physics
Volume 38 Issue 5 May 1992 pp 417-468 Review
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.
Volume 53 Issue 6 December 1999 pp 1105-1114 Super-String Motivated Cosomological Models
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.
Volume 96, 2022
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