Finite-size correction and bulk hole-excitations for special case of an open XXZ chain with nondiagonal boundary terms at roots of unity
arXiv:0704.2265 · doi:10.1088/1126-6708/2007/05/069
Abstract
Using our solution for the open spin-1/2 XXZ quantum spin chain with N spins and two arbitrary boundary parameters at roots of unity, the central charge and the conformal dimensions for bulk hole excitations are derived from the 1/N correction to the energy (Casimir energy).
arXiv comment21 pages, LaTeX, v2: minor changes and 3 references added
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