期刊
NUCLEAR PHYSICS B
卷 875, 期 1, 页码 152-165出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nuclphysb.2013.06.022
关键词
Spin chain; Reflection equation; Bethe ansatz; T-Q relation
资金
- National Natural Science Foundation of China [11174335, 11075126, 11031005]
- National Program for Basic Research of MOST (973 project [2011CB921700]
- State Education Ministry of China [20116101110017]
Employing 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. (C) 2013 Elsevier B.V. All rights reserved.
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