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Boundary Yang-Baxter equation in the RSOS/SOS representation
- Boundary Yang-Baxter equation in the RSOS/SOS representation
- Ahn C.; Koo W.M.
- Ewha Authors
- SCOPUS Author ID
- Issue Date
- Journal Title
- Nuclear Physics B
- Nuclear Physics B vol. 468, no. 3, pp. 461 - 486
- SCI; SCIE; SCOPUS
- Document Type
- We construct and solve the boundary Yang-Baxter equation in the RSOS/SOS representation. We find two classes of trigonometric solutions; diagonal and nondiagonal. As a lattice model, these two classes of solutions correspond to RSOS/SOS models with fixed and free boundary spins, respectively. Applied to (1+1 )-dimensional quantum field theory, these solutions give the boundary scattering amplitudes of the particles. For the diagonal solution, we propose an algebraic Bethe ansatz method to diagonalize the SOS-type transfer matrix with boundary and obtain the Bethe ansatz equations.
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- 자연과학대학 > 물리학전공 > Journal papers
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