KONDO EFFECT IN A TOMONAGA-LUTTINGER LIQUID

The Kondo effect in a repulsively interacting electron system (Tomonag a-Luttinger liquid) is studied. By using the poor man's scaling method it is shown that the Kondo coupling in this model flows to the strong -coupling regime not only for the antiferromagnetic but also for the f erromagnetic case. The ground state is governed by stable strong-coupl ing fixed points where the impurity spin is completely screened; the f ixed-point Hamiltonian consists of two semi-infinite Tomonaga-Luttinge r liquids and a spin singlet. Specific heat, susceptibility, and condu ctance are calculated for low temperatures.