TY - JOUR
T1 - Simplified calculation of boundary S matrices
AU - Doikou, Anastasia
AU - Mezincescu, Luca
AU - Nepomechie, Rafael I.
N1 - Copyright:
Copyright 2011 Elsevier B.V., All rights reserved.
PY - 1997/8/7
Y1 - 1997/8/7
N2 - The antiferromagnetic Heisenberg spin chain with N spins has a sector with N = odd, in which the number of excitations is odd. In particular, there is a state with a single one-particle excitation. We exploit this fact to give a simplified derivation of the boundary S matrix for the open antiferromagnetic spin-1/2 Heisenberg spin chain with diagonal boundary magnetic fields.
AB - The antiferromagnetic Heisenberg spin chain with N spins has a sector with N = odd, in which the number of excitations is odd. In particular, there is a state with a single one-particle excitation. We exploit this fact to give a simplified derivation of the boundary S matrix for the open antiferromagnetic spin-1/2 Heisenberg spin chain with diagonal boundary magnetic fields.
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U2 - 10.1088/0305-4470/30/15/005
DO - 10.1088/0305-4470/30/15/005
M3 - Article
AN - SCOPUS:0031558262
VL - 30
SP - L507-L512
JO - Journal of Physics A: Mathematical and Theoretical
JF - Journal of Physics A: Mathematical and Theoretical
SN - 1751-8113
IS - 15
ER -