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This Defense Intelligence Reference Document (DIA-08-1004-004), dated 6 April 2010, was produced by the Defense Intelligence Agency under its Advanced Aerospace Weapon System Applications (AAWSA) Program. It is one of a series of advanced technology reports from FY 2009. It reviews the general relativity physics of traversable wormholes and flat-faced "stargate" solutions for faster-than-light travel. It also covers the exotic negative energy these would need, proposed lab methods for generating it such as the Casimir effect and squeezed vacuum, and the constraints involved.
“G. A.”17 pages
UNCLASSIFIED//509 QFFHiI.«1k 11181!! 8HLY Table 1. Substantial Gravitational Squeezing Occurs for Vacuum ZPF When A;::: 81tr~ Mass of body (kg) rs (m) ,_ (m) PE-gsvac ( J / m 3 ) Sun = 2.00 x 1030 2.95 X 103 :C: 78.0 X 103 -1.69 X 10 44 Jupiter= 1.90 x 10 27 2.82 :c: 74 -2.08 X 10-32 Earth = 5.98 x 1024 8.87x1O 3 :c: 0.23 -2.23 X 10 22 Typical mountain :::: 10 11 :::: 10-16 :c: 1O-1s -6.25 X 1035 Planck mass = 2.18 x 10 8 3.23 X 10 JS :C:8.5Ox1O 34 -1.20 X 10108 Proton = 1.67 x 10-27 2.48 X 10-54 :c: 6.50 X 10-53 -3.50 X 10184 For example, near the surface of the Earth (r,::;:: Ro, M = Mo), f.c:::: 2.42 x 10 11 m and hence, Equation (7) gives pE-gsvac:::: -1.82 x 10 70 J/m3. Compare these values with /, 2 0.23 m and PE·gsvac:::: -2.23 x 10-22 J/m3 in Table 1. The resolution of this disagreement remains an open question. One is presently unaware of any way to artificially generate gravitational squeezing of the vacuum in the laboratory. This will be left for future investigation. However, it is predicted to occur in the vicinity of astronomical matter. Naturally occurring traversable wormholes in the vicinity of astronomical matter would therefore become possible. 4. Vacuum Field Stress: Negative Energy from the Casimir Effect The Casimir effect is by far the easiest and most well known way to generate negative energy in the lab. The Casimir effect that is familiar to most people is the force that is associated with the electromagnetic quantum vacuum (Reference 51). This is an attractive force that must exist between any two neutral (uncharged), parallel, flat, conducting surfaces (e.g., metallic plates) in a vacuum. This force has been well measured and it can be attributed to a minute imbalance in the vacuum electromagnetic zero-point energy density inside the cavity between the conducting surfaces versus the vacuum electromagnetic zero-point energy density in the free-space region outside of the cavity (Reference 52-54). See Figure 12 for an illustration of this effect. 18 Casimir~ V / I t acuum pa es fluctuations Figure 12. Schematic of the Casimir Effect UNCLASSIFIED/ ,<FOA QCFifiI1t11!! HSI!! 8HLZ.S
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Report, from the dia collection. The PDF is mirrored here; the original link is under it. 42 pages are in the text index: search them above, or from the library's search.