• Ajit M Srivastava

      Articles written in Pramana – Journal of Physics

    • Topological defects in cosmology

      Ajit M Srivastava

      More Details Abstract Fulltext PDF

      Present status of theories of topological defects in particle theory models of the early Universe is discussed. Various consequences of topological defects in cosmology, such as constraints on particle theory models, structure formation etc. are discussed.

    • Formation of disoriented chiral condensates in relativistic heavy-ion collisions

      Ajit M Srivastava

      More Details Abstract Fulltext PDF

      We present a brief review of the subject of disoriented chiral condensates (DCC). We describe the conventional scenarios for the formation of DCC which have been proposed in the literature. Observable signals, such as fluctuations in neutral to charged pion ratio, are discussed. We then discuss a novel scenario for DCC formation, recently proposed by us, where the entire region of hot partons can get converted into a single large DCC. Our arguments suggest that formation of such large DCC is unlikely in the collision of heavy nuclei, and ultra-high energy hadronic collisions may be better suited for this.

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