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Introduction to Yangian in Physics

Condensed Matter 2007-05-23 v1

Abstract

This is an introduction to the physical pictures of {\em Yangian} symmetry. All the discussions are based on the RTT relations which have been known to be related to the Hamiltonian formulations for quantum integrable systems. The explicit calculations of {\em Yangian} associated with gl(2)gl(2) are given through solving the RTT relations. It contains the Drinfeld's Y(sl(2))Y(sl(2)), Y(sl(n))Y(sl(n)) and Heisenberg type of Hopf algebras. Examples are emphasized to show the physical pictures, such as Hubbard model, Haldane-Shastry model, Long-range interaction models and Goryachev-Chaplygin(G-C) gyrostat. The example of the trigonometric extension of G-C gyrostat are also shown that leads to the non-commutative geometry naturally on the basis of the truncated qq-affine algebra.

Keywords

Cite

@article{arxiv.cond-mat/9509090,
  title  = {Introduction to Yangian in Physics},
  author = {Mo-lin Ge and Kang Xue and Yiwen Wang},
  journal= {arXiv preprint arXiv:cond-mat/9509090},
  year   = {2007}
}

Comments

41 pages, Preprint ( reprint ) of Nankai Institute of Mathematics. Invited talk presented at Second Pacific Physics Winter School. For hard copy, write to Prof. Mo-lin GE, Nankai Institute of Mathematics. Do not send emails to this computer account

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