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Density Operators and Other Tools of Quantum Statistics

  • Werner Ebeling
  • Thorsten Pöschel
Chapter
Part of the Lecture Notes in Physics book series (LNP, volume 953)

Abstract

In this chapter, we will introduce useful tools of Quantum Statistics. Most of them will be used in later chapters of this book to solve concrete problems. Our survey covers, of course, the most prominent methods such as density operators introduced by von Neumann and Landau, Wigner’s phase-space functions method, and Bogolyubov’s method of reduced density operators. Matsubara’s thermodynamical Green’s functions and real-time Green’s functions are important methods in the field of quantum plasmas but are discussed here only rather briefly.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Werner Ebeling
    • 1
  • Thorsten Pöschel
    • 2
  1. 1.FB PhysikHumboldt Universität zu BerlinBerlinGermany
  2. 2.Friedrich-Alexander-Universität Erlangen-NürnbergErlangenGermany

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