%0 Journal Article %T Decoherence: Basic Concepts and Their Interpretation %A H. D. Zeh %J Physics %D 1995 %I arXiv %X Introduction to the theory of decoherence. Contents: 1. The phenomenon of decoherence: superpositions, superselection rules, decoherence by "measurements". 2. Observables as a derivable concept. 3. The measurement problem. 4. Density matrix, coarse graining, and "events". 5. Conclusions. %U http://arxiv.org/abs/quant-ph/9506020v3