Abstract
The concept of the density matrix is introduced so that observables, or expectation values of an operator, can be calculated in a straightforward way for an ensemble of microsystems with time-dependent properties. To follow the presentation of this Chapter, the reader should be familiar with the material of Sections A.1 to A.3 and of Chapter V. A more detailed account of the subject is found in a monograph by Lynden-Bell [94]; the definitions and the nomenclature used here are similar to those in that monograph.
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© 1972 Springer-Verlag Berlin · Heidelberg
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Diehl, P., Kellerhals, H., Lustig, E. (1972). The Density Matrix. In: Computer Assistance in the Analysis of High-Resolution NMR Spectra. NMR, vol 6. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-65261-5_16
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DOI: https://doi.org/10.1007/978-3-642-65261-5_16
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-65263-9
Online ISBN: 978-3-642-65261-5
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