Static Negative Energies Near a Domain Wall

Details Static Negative Energies Near a Domain Wall Static Negative Energies Near a Domain Wall

2002-05-31

arxiv.org/abs/gr-qc/0205134v3

Phys.Lett. B554 (2003) 175-179

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

6 pages, 1 figure, uses RevTeX4; v2: added acknowledgements; v3: minor correction and clarifications

Scientific paper

10.1016/S0370-2693(03)00011-X

We show that a system of a domain wall coupled to a scalar field has static negative energy density at certain distances from the domain wall. This system provides a simple, explicit example of violation of the averaged weak energy condition and the quantum inequalities by interacting quantum fields. Unlike idealized systems with boundary conditions or external background fields, this calculation is implemented precisely in renormalized quantum field theory with the energy necessary to support the background field included self-consistently.

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