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    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/085/05/1023-1032

    • Keywords

       

      Graphene; Chern–Simons field theory; 2D gravity; KdV solitons.

    • Abstract

       

      It is shown that in (2+1)-dimensional condensed matter systems, induced gravitational Chern–Simons (CS) action can play a crucial role for coherent spin transport in a finite geometry, provided zero-curvature condition is satisfied on the boundary. The role of the resultant KdV solitons is explicated. The fact that KdV solitons can pass through each other without interference, represent `resistanceless' spin transport.

    • Author Affiliations

       

      Kumar Abhinav1 Vivek M Vyas2 Prasanta K Panigrahi1

      1. Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741 246, India
      2. Institute of Mathematical Sciences, Tharamani, Chennai 600 113, India

    • Dates

       
      Published
      November 2015
      Early published
      16 October 2015

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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