(pi,pi)-electronic order in iron arsenide superconductors
(Quantum) Chaos in BECs
(Sr/Ca)_{14}Cu_{24}O_{41} spin ladders studied by NMR under pressure
(Sr_3Sc_2O_5)Fe_2As_2 as a possible parent compound for FeAs-based superconductors
(Un)detectable cluster structure in sparse networks