Finite-size correction and bulk hole-excitations for special case of an open XXZ chain with nondiagonal boundary terms at roots of unity

Details Finite-size correction and bulk hole-excitations for special case of an open XXZ chain with nondiagonal boundary terms at roots of unity Finite-size correction and bulk hole-excitations for special case of an open XXZ chain with nondiagonal boundary terms at roots of unity

2007-04-18

arxiv.org/abs/0704.2265v2

JHEP 0705:069,2007

Physics

High Energy Physics

High Energy Physics - Theory

21 pages, LaTeX, v2: minor changes and 3 references added

Scientific paper

10.1088/1126-6708/2007/05/069

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).

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