51 citations · 84 across the 6 of their papers we have counts for
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math-ph2017★ 5 cited
Quantum group symmetries and completeness for A_{2n}^(2) open spin chains
Ibrahim Ahmed, Rafael I. Nepomechie, Chunguang Wang
We argue that the Hamiltonians for A_{2n}^(2) open quantum spin chains corresponding to two choices of integrable boundary conditions have the symmetries U_q(B_n) and U_q(C_n), res…
math-ph2014★ 18 cited
Twisting singular solutions of Bethe's equations
Rafael I. Nepomechie, Chunguang Wang
The Bethe equations for the periodic XXX and XXZ spin chains admit singular solutions, for which the corresponding eigenvalues and eigenvectors are ill-defined. We use a twist regu…
math-ph2013★ 10 cited
Boundary energy of the open XXX chain with a non-diagonal boundary term
Rafael I. Nepomechie, Chunguang Wang
We analyze the ground state of the open spin-1/2 isotropic quantum spin chain with a non-diagonal boundary term using a recently proposed Bethe ansatz solution. As the coefficient…