Journal
NUCLEAR PHYSICS B
Volume 879, Issue -, Pages 98-109Publisher
ELSEVIER
DOI: 10.1016/j.nuclphysb.2013.12.004
Keywords
Hubbard model; Bethe ansatz; T-Q relation
Categories
Funding
- National Natural Science Foundation of China [11174335, 11075126, 11031005, 11375141, 11374334]
- National Program for Basic Research of MOST (973 project) [2011CB921700]
- State Education Ministry of China [20116101110017]
- BCMIIS
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The 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. (C) 2013 The Authors. Published by Elsevier B.V. All rights reserved.
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