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Title: Bloch Walls and Macroscopic String States in Bethe's Solution of the Heisenberg Ferromagnetic Linear Chain
Authors: Dhar, Abhishek
Shastry, Sriram B.
Issue Date: 25-Sep-2000
Publisher: The American Physical Society
Citation: Physical Review Letters, 2000, Vol.85, 2813-2816
Abstract: We present a calculation of the lowest excited states of the Heisenberg ferromagnet in 1D for any wave vector. These turn out to be string solutions of Bethe's equations with a macroscopic number of particles in them. They are identified as generalized quantum Bloch wall states, and a simple physical picture is provided for the same.
ISSN: 1079-7114 (online)
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Copyright: (2000) by the American Physical Society
Appears in Collections:Research Papers (TP)

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