Negative Energy Density States for the Dirac Field in Flat Spacetime

Details Negative Energy Density States for the Dirac Field in Flat Spacetime Negative Energy Density States for the Dirac Field in Flat Spacetime

1998-06-15

arxiv.org/abs/gr-qc/9806064v1

Phys.Rev. D57 (1998) 3484-3488

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages, LaTex

Scientific paper

10.1103/PhysRevD.57.3484

Negative energy densities in the Dirac field produced by state vectors that are the superposition of two single particle electron states are examined. I show that for such states the energy density of the field is not bounded from below and that the quantum inequalities derived for scalar fields are satisfied. I also show that it is not possible to produce negative energy densities in a scalar field using state vectors that are arbitrary superpositions of single particle states.

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