Quantum Harmonic Analysis of the Density Matrix

Maurice A. de Gosson


We will study rigorously the notion of mixed states and their density matrices. We will also discuss the quantum-mechanical consequences of possible variations of Planck's constant h. This review has been written having in mind two readerships: mathematical physicists and quantum physicists. The mathematical rigor is maximal, but the language and notation we use throughout should be familiar to physicists.

Quanta 2018; 7: 74–110.

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DOI: https://doi.org/10.12743/quanta.v7i1.74

ISSN: 1314-7374