1. Institute of Modern Physics, Northwest University,
Xi'an 710069, China
;2. Physikalisches Institut der Universität Bonn, Nussallee 12, 53115 Bonn, Germany
Abstract:
The q-deformed supersymmetric t-J model on a semi-infinite lattice is diagonalized by using the level-one vertex operators of the quantum affine superalgebra
Uq\widehat{sl(2|1)}]. We give the bosonization
of the boundary states.