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Off-diagonal Bethe Ansatz on the $so(5)$ spin chain | | Guang-Liang Li
; Junpeng Cao
; Panpan Xue
; Kun Hao
; Pei Sun
; Wen-Li Yang
; Kangjie Shi
; Yupeng Wang
; | | Date: |
24 Feb 2019 | | Abstract: | The $so(5)$ (i.e., $B_2$) quantum integrable spin chains with both periodic
and non-diagonal boundaries are studied via the off-diagonal Bethe Ansatz
method. By using the fusion technique, sufficient operator product identities
(comparing to those in [1]) to determine the spectrum of the transfer matrices
are derived. For the periodic case, we recover the results obtained in [1],
while for the non-diagonal boundary case, a new inhomogeneous $T-Q$ relation is
constructed. The present method can be directly generalized to deal with the
$so(2n+1)$ (i.e., $B_n$) quantum integrable spin chains with general
boundaries. | | Source: | arXiv, 1902.8891 | | Services: | Forum | Review | PDF | Favorites | |
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