Boundary energy of the general open XXZ chain at roots of unity | Zendy

Rajan Murgan | Zendy; Rafael I. Nepomechie | Zendy; Chi Shi | Zendy

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Boundary energy of the general open XXZ chain at roots of unity

Author(s) -

Rajan Murgan,

Rafael I. Nepomechie,

Chi Shi

Publication year - 2007

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2007/01/038

Subject(s) - bethe ansatz , boundary (topology) , root of unity , chain (unit) , integrable system , string (physics) , limit (mathematics) , mathematical physics , boundary value problem , spin (aerodynamics) , physics , energy (signal processing) , quantum , mathematics , quantum mechanics , mathematical analysis , thermodynamics

We have recently proposed a Bethe Ansatz solution of the open spin-1/2 XXZquantum spin chain with general integrable boundary terms (containing six freeboundary parameters) at roots of unity. We use this solution, together with anappropriate string hypothesis, to compute the boundary energy of the chain inthe thermodynamic limit.Comment: 22 pages, 6 figures; v2: some comments, a reference and a footnote adde

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