Boundary S Matrix for the Boundary Sine-Gordon Model from Fractional-Spin Integrals of Motion

Luca Mezincescu,Rafael I. Nepomechie

doi:10.1007/978-1-4899-1564-1_33

Boundary S Matrix for the Boundary Sine-Gordon Model from Fractional-Spin Integrals of Motion

Luca Mezincescu, Rafael I. Nepomechie

https://doi.org/10.1007/978-1-4899-1564-1_33

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Publication Date: Jan 1, 1996

Affiliation: University of Bonn, University of Miami

#Free Fermion Point #Integrals Of Motion + Show 6 more

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Abstract

We construct integrals of motion (IM) for the sine-Gordon model with boundary at the free Fermion point (β2 = 4π) which have a simple form. These IM determine the boundary S matrix. We also provide an Ansatz for the fractional-spin IM away from the free Fermion point (β2 ≠ 4π).

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