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Off-diagonal Bethe ansatz solution of the XXX spin-chain with arbitrary boundary conditions

Authors
  • Cao, Junpeng
  • Yang, Wenli
  • Shi, Kangjie
  • Wang, Yupeng
Type
Published Article
Publication Date
Aug 12, 2013
Submission Date
Jun 07, 2013
Identifiers
DOI: 10.1016/j.nuclphysb.2013.06.022
Source
arXiv
License
Yellow
External links

Abstract

With the off-diagonal Bethe ansatz method proposed recently by the present authors, we exactly diagonalize the $XXX$ spin chain with arbitrary boundary fields. By constructing a functional relation between the eigenvalues of the transfer matrix and the quantum determinant, the associated $T-Q$ relation and the Bethe ansatz equations are derived.

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