Boundary S matrix and boundary state in two-dimensional integrable quantum field theory
Jun 8, 199359 pages
Published in:
- Int.J.Mod.Phys.A 9 (1994) 3841-3886,
- Int.J.Mod.Phys.A 9 (1994) 4353 (erratum)
e-Print:
- hep-th/9306002 [hep-th]
Report number:
- RU-93-20
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Abstract:
We study integrals of motion and factorizable S-matrices in two-dimensional integrable field theory with boundary. We propose the ``boundary cross-unitarity equation'' which is the boundary analog of the cross-symmetry condition of the ``bulk'' S-matrix. We derive the boundary S-matrices for the Ising field theory with boundary magnetic field and for the boundary sine-Gordon model.- field theory
- dimension: 2
- integrability
- S-matrix: factorization
- boundary condition
- Ising model
- sine-Gordon equation
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