Comment on ‘‘Unified dynamics for microscopic and macroscopic systems’’

E. Joos
Phys. Rev. D 36, 3285 – Published 15 November 1987
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Abstract

A nonunitary dynamics for a macroscopic object arises as a natural consequence of a universally valid Schrödinger equation and thus need not be postulated ad hoc. The density-matrix formalism does not, however, allow one to deduce classical states (particle trajectories) without invoking additional principles.

  • Received 1 December 1986

DOI:https://doi.org/10.1103/PhysRevD.36.3285

©1987 American Physical Society

Authors & Affiliations

E. Joos

  • Institut fr Theoretische Physik, Universität Heidelberg, D-6900 Heidelberg, Federal Republic of Germany
  • Center for Theoretical Physics, The University of Texas at Austin, Austin, Texas 78712

Original Article

Unified dynamics for microscopic and macroscopic systems

G. C. Ghirardi, A. Rimini, and T. Weber
Phys. Rev. D 34, 470 (1986)

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Issue

Vol. 36, Iss. 10 — 15 November 1987

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