Soviet Physics Journal

, Volume 21, Issue 5, pp 616–620 | Cite as

Spectral representations and the density matrix of subsystems

  • B. A. Veklenko


A regular method is indicated which makes it possible, under conditions of thermodynamic equilibrium, to find in a constructive manner the density matrix of a subsystem which, in general, is in strong interaction with its surroundings.


Strong Interaction Density Matrix Thermodynamic Equilibrium Spectral Representation Regular Method 
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Literature cited

  1. 1.
    B. A. Veklenko, Izv. Vyssh. Uchebn. Zaved., Fiz.,21, No. 5 (1978).Google Scholar
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    N. N. Bogolyubov and S. V. Tyablikov, Dokl. Akad. Nauk SSSR,176, 53 (1959).Google Scholar
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    G. Callén, Helv. Phys. Acta,25, 417 (1952).Google Scholar
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    H. Lehmann, Nuovo Cimento,11, 342 (1954).Google Scholar

Copyright information

© Plenum Publishing Corporation 1978

Authors and Affiliations

  • B. A. Veklenko
    • 1
  1. 1.Moscow Energy InstituteUSSR

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