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Frustration induced plateaux in S>=1/2 Heisenberg spin ladders
F. Michaud, T. Coletta, S. R. Manmana +2
We study the T = 0 magnetization of frustrated two-leg spin ladders with arbitrary value of the spin S. In the strong rung limit, we use degenerate perturbation theory to prove tha…
Dzyaloshinskii-Moriya anisotropy and non-magnetic impurities in the kagome system ZnCu_3(OH)_6Cl_2
Ioannis Rousochatzakis, Salvatore R. Manmana, Andreas M. Läuchli +2
Motivated by recent nuclear magnetic resonance experiments on ZnCu(OH)Cl, we present an exact-diagonalization study of the combined effects of non-magnetic impurities a…
Quantum distillation: dynamical generation of low-entropy states of strongly correlated fermions in an optical lattice
F. Heidrich-Meisner, S. R. Manmana, M. Rigol +3
Correlations between particles can lead to subtle and sometimes counterintuitive phenomena. We analyze one such case, occurring during the sudden expansion of fermions in a lattice…