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Phys Rev Lett. 2004 Aug 27;93(9):090402. Epub 2004 Aug 23.

Bohmian mechanics and quantum field theory.

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  • 1Mathematisches Institut der Universität München, Theresienstrasse 39, 80333 München, Germany.


We discuss a recently proposed extension of Bohmian mechanics to quantum field theory. For more or less any regularized quantum field theory there is a corresponding theory of particle motion, which, in particular, ascribes trajectories to the electrons or whatever sort of particles the quantum field theory is about. Corresponding to the nonconservation of the particle number operator in the quantum field theory, the theory describes explicit creation and annihilation events: the world lines for the particles can begin and end.

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