Comment on ``Magnon wave forms in the presence of a soliton in two--dimensional antiferromagnets with a staggered field''

Details Comment on ``Magnon wave forms in the presence of a soliton in two--dimensional antiferromagnets with a staggered field'' Comment on ``Magnon wave forms in the presence of a soliton in two--dimensional antiferromagnets with a staggered field''

2006-03-14

arxiv.org/abs/cond-mat/0603395v1

Physics

Condensed Matter

Strongly Correlated Electrons

2 pages (RevTeX)

Scientific paper

Very recently Fonseca and Pires [Phys. Rev. B 73, 012403(2006)] have studied
the soliton--magnon scattering for the isotropic antiferromagnet and calculated
``exact'' phase shifts, which were compared with the ones obtained by the Born
approximation. In this Comment we correct both the soliton and magnon solutions
and point out the way how to study correctly the scattering problem.

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