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This Defense Intelligence Reference Document from the Defense Intelligence Agency is dated 2 April 2010 and was produced under the Advanced Aerospace Weapon System Applications (AAWSA) Program. It is one of a series of advanced technology reports from FY 2009. It reviews general relativistic warp drives, the cosmological constant, Casimir energy and extra space dimensions. It proposes that dark energy may come from higher dimensions and that controlling those dimensions could one day make a warp drive possible.
UNCLASSIFIED/ /F8R 8FFIOlsllL ~91! 8HL71" To summarize, the existence of dark energy may be attributed to the combined effects of vacuum fluctuations in "normal" 3+ 1 dimensional spacetime plus higher dimensional contributions. If this model proves to be correct, then ideas extending from this paradigm could provide one with intriguing opportunities for technological intervention. 7. Warp Drive and Higher Dimensional Manipulation Both our own research and previous work in higher dimensional Casimir energy 16 demonstrate that the magnitude of the vacuum energy is intimately related to the size of the extra dimension. More precisely, the smaller the extra dimension, the greater the Casimir energy (and vice versa: the bigger an extra dimension, the smaller the Casimir energy). In fact, the energy is related to the radius of the higher dimension raised to the fourth power, which means that very small changes in the radius of the extra dimension generate dramatic changes to the vacuum energy density. \ Figure 4. Manipulated Extra Dimension. A sufficiently advanced technology with the capacity to directly interact with and manipulate an extra dimension would be able to locally adjust the dark energy density in a given region of spacetime. What this means is that if an advanced technology was able to influence the radius of an extra dimension, then it would acquire direct control over dark energy, and hence the expansion and contraction of space itself. As tremendous a feat as this may sound, at this early stage in the research it is one of the only viable mechanisms to generate a warp drive. 16 Quantum vacuum energy and Casimir energy are often used interchangeably in the literature. 15 UNCLASSIFIED/ /FQR QFFIGl.lil: l!lfili 8Ftt¥
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