Physics – Condensed Matter
Scientific paper
1999-03-12
J. Phys. A 32 (1999) 4585-4591
Physics
Condensed Matter
LaTeX2e, 9pp
Scientific paper
10.1088/0305-4470/32/25/302
We study integrable boundary conditions for the supersymmetric t-J model of correlated electrons which arise when combining static scattering potentials with dynamical impurities carrying an internal degree of freedom. The latter differ from the bulk sites by allowing for double occupation of the local orbitals. The spectrum of the resulting Hamiltonians is obtained by means of the algebraic Bethe Ansatz.
Bedürftig Gerald
Frahm Holger
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