Boundary K-matrix for the quantum Mikhailov-Shabat model

Abstract

( We present complete solutions of $K$-matrix for the quantum Mikhailov-Shabat model. It has been known that there are three diagonal solutions with no free parameters, one being trivial identity solution, the others non-trivial. The most general solutions which we found consist of three families corresponding to each diagonal solutions. One family of solutions depends on two arbitrary parameters. If one of the parameters vanishes, the other must also vanish so that the solutions reduces to trivial identity solution. The other two families for each non-trivial diagonal solutions have only one arbitrary parameter.)

21 pages, DTP/94-53

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