3 datasets found

38 pages, Latex revised version: draft formulae indicator deleted, one reference added, typos corrected, few minor text modifications

This thesis is devoted to the study of integrable quantum systems such as spin chains, two-dimensional field theories and the AdS/CFT duality. This AdS/CFT duality is...

In quantum spins systems, frustration and low-dimensionality generate quantum fluctuations and give rise to exotic quantum phases. This thesis studies a spin ladder...