1995/06/14 by H. D. Zeh, Zeh, H. D.
Physics and Astronomy · #Condensed Matter (cond-mat) #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #Quantum Physics (quant-ph) #cond-mat #gr-qc #quant-ph
paper · pdf · doi:10.48550/arxiv.quant-ph/9506020
Draft for second edition of Chapter 2 of "Decoherence and the Appearance of a Classical World in Quantum Theory" (D. Giulini et al., Springer 2003). Further comments, references, and a new section "Conclusions" added. 42 pages, Latex (uses Springer macros), 3 eps-files
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.