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Quantum source of the back reaction on a classical field

R. Brout and S. Massar

R. Parentani

S. Popescu

Ph. Spindel

  • Service de Physique Théorique, Université Libre de Bruxelles, Campus Plaine, C.P. 225, Boulevard du Triomphe, B-1050 Brussels, Belgium

  • Laboratoire de Physique Théorique de l’Ecole Normale Supérieure, 24 rue Lhomond, 75231 Paris Cedex 05, France

  • School of Physics and Astronomy, Tel Aviv University, Tel Aviv, Israel

  • Mécanique at Gravitation, Université de Mons-Hainaut, Faculté des Sciences, 15 avenue Maistriau, B-7000 Mons, Belgium

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Phys. Rev. D 52, 1119 – Published 15 July, 1995

DOI: https://doi.org/10.1103/PhysRevD.52.1119

Abstract

Pair creation in an external electric field is presented in terms of the localized events which contribute to the mean current that is produced. Each of these localized contributions is given by a nondiagonal matrix element of the current operator. The physical relevance of this matrix element is displayed. It can also be interpreted as the result of a weak measurement in the sense of Aharonov et al.

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Outline

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Phys. Rev. D 52, 1119– Published 15 July, 1995
  • Received 13 December 1994

© 1995 American Physical Society

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