Abstract

In this thesis, the transport properties and relaxation phenomena in 1D interacting systems are studied. The electrical transport is investigated in Josephson junction (JJ) chains which show the remarkable phenomenon of a superconductor-insulator transition. These systems also offer the possibility to examine relaxation phenomena: we consider the decay of excited plasmonic waves in such devices. In addition to the relaxation of bosonic excitations in JJ chains, we dis- cuss the relaxation of high-energy fermions in quantum wires.

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