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28 March 2024
 
  » arxiv » 1311.0432

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Exact solution of the one-dimensional Hubbard model with arbitrary boundary magnetic fields
Yuan-Yuan Li ; Junpeng Cao ; Wen-Li Yang ; Kangjie Shi ; Yupeng Wang ;
Date 3 Nov 2013
AbstractThe one-dimensional Hubbard model with arbitrary boundary magnetic fields is solved exactly via the Bethe ansatz methods. With the coordinate Bethe ansatz in the charge sector, the second eigenvalue problem associated with the spin sector is constructed. It is shown that the second eigenvalue problem can be transformed into that of the inhomogeneous XXX spin chain with arbitrary boundary fields which can be solved via the off-diagonal Bethe ansatz method.
Source arXiv, 1311.0432
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