Physics – Mathematical Physics
Scientific paper
2008-08-15
J. Phys. A: Math. Theor. 42 (2009) 115202
Physics
Mathematical Physics
final version
Scientific paper
10.1088/1751-8113/42/11/115202
We derive a non-linear integral equation for the Bethe-ansatz solvable open
XXZ spin chain of arbitrary length describing the lowest lying state with zero
magnetization. For this case we show how to combine the integral representation
with the known determinant formula of norms and scalar products.
Seel Alexander
Wirth Tobias
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