Gedanken experiments with Casimir forces, vacuum energy, and gravity
arXiv:1107.0764 · doi:10.1103/PhysRevA.82.032106
Abstract
Gedanken experiments are used to explore properties of quantum vacuum energy that are currently challenging to explore experimentally. A constant lateral Casimir force is predicted to exist between two overlapping finite parallel plates at 0 K, otherwise it would be possible to extract an arbitrary amount of energy from the quantum vacuum. A rigid unpowered object cannot be accelerated by the quantum vacuum because of the translational symmetry of space. By considering systems in which vacuum energy and other forms of energy are exchanged, we demonstrate that a change ΔE in vacuum energy, whether positive or negative with respect to the free field, corresponds to an equivalent inertial mass and equivalent gravitational mass ΔM=ΔE/c^2. We consider the possibility of a gravitational shield, and show that, if it exists, the energy to operate it would have to cancel the net energy extracted from the gravitational field, otherwise we could extract an arbitrary amount of energy from the field.
24 pages, 3 figures
References in corpus (5)
- No quantum friction between uniformly moving plates
- Contribution of drifting carriers to the Casimir-Lifshitz and Casimir-Polder interactions with semiconductor materials
- Why Screening Effects Do Not Influence the Casimir Force
- How does Casimir energy fall? III. Inertial forces on vacuum energy
- Gravitational and Inertial Mass of Casimir Energy