Simplified calculation of boundary S matrices

Anastasia Doikou; Luca Mezincescu; Rafael I. Nepomechie

doi:10.1088/0305-4470/30/15/005

Simplified calculation of boundary S matrices

Anastasia Doikou, Luca Mezincescu, Rafael I. Nepomechie

Physics

Research output: Contribution to journal › Article

16 Scopus citations

Abstract

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.

Original language	English (US)
Pages (from-to)	L507-L512
Journal	Journal of Physics A: Mathematical and General
Volume	30
Issue number	15
DOIs	https://doi.org/10.1088/0305-4470/30/15/005
State	Published - Aug 7 1997

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Mathematical Physics
Physics and Astronomy(all)

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10.1088/0305-4470/30/15/005

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Doikou, A., Mezincescu, L., & Nepomechie, R. I. (1997). Simplified calculation of boundary S matrices. Journal of Physics A: Mathematical and General, 30(15), L507-L512. https://doi.org/10.1088/0305-4470/30/15/005

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