Finite temperature transport in integrable quantum many body systems
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Recent developments in the analysis of finite temperature dissipationless transport in integrable quantum many body problems are presented. In particular, we will discuss: (i) the role played by the conservation laws in systems as the spin 1/2 Heisenberg chain and the one-dimensional Hubbard model, (ii) exact results obtained using the Bethe ansatz method on the long time decay of current correlations.
Proceedings of the 1999 "Rencontres de Moriond" Conference, 5 pages, 1 Postscript figure
Proceedings of the 1999 "Rencontres de Moriond" Conference, 5 pages, 1 Postscript figure