Documents / Official release
This Defense Intelligence Reference Document, DIA-08-1004-004, is dated 6 April 2010. The Acquisition Support Division of the Defense Intelligence Agency's Defense Warning Office prepared it as one in a series of advanced technology reports from FY 2009 under the Advanced Aerospace Weapon System Applications Program. It reviews the physics of traversable wormholes and flat-faced "stargate" solutions, and it covers how negative energy might be generated in the laboratory. It concludes that the key technical challenge is identifying and producing exotic matter.
From the source: Release of 2026-09-18 Incident: 4/6/10, Las Vegas, Nevada. Released with redactions. This document is a Defense Intelligence Reference Document (DIRD), a technical reference format used by the Defense Intelligence Agency (DIA) to capture baseline knowledge on a specific topic for later analytic use. DIRDs are best understood as reference and synthesis products rather than as original research. It is one of 38 DIRDs produced under the Advanced Aerospace Weapon System Applications Program (AAWSAP) between 2009 and 2011. Because AAWSAP’s scope permitted a broad range of supporting topics, not every DIRD in the series directly concerns aerospace systems or future threat assessment. The following summary reflects the DIRD’s scope and framing at the time of writing and should not be read as implying current validation of the concepts discussed. This DIRD examines traversable wormholes and “stargates” as hypothetical spacetime structures within general relativity that theoretically offer a means of faster-than-light travel or communication. The report focuses extensively on the requirement for exotic, negative-energy matter to stabilize and keep such geometries open for the passage of macro-scale objects. It reviews standard wormhole models, describes a flat-throated “stargate” variant, and argues that violations of general relativity's standard energy conditions do not physically rule such structures out, citing microscopic, transient negative-energy effects observed in Casimir-type laboratory phenomena. However, the document acknowledges that the transition from microscopic quantum fluctuations to macroscopic engineering is an unresolved barrier. While small-scale negative-energy effects are observable, there is no known mechanism to generate, concentrate, or stabilize the amounts of exotic matter proposed to be required to sustain a traversable macroscopic wormhole. Ultimately, while the paper frames wormhole concepts within accepted relativistic physics, it confirms that the gap between theoretical models and any realizable technology remains enormous.
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one can call this material property "exotic." The condition for ordinary, classical (non
exotic) forms of matter that all are familiar with in nature is that PE > P i and/or PE ~ 0.
These conditions represent two examples of what are variously called the "standard"
energy conditions: Weak Energy Condition (WEC: PE~ 0, PE+ Pi ~ 0), Null Energy
Condition (NEC: PE + Pi~ 0), Dominant Energy Condition (DEC), and Strong Energy
Condition (SEC). These energy conditions forbid negative energy density between
material objects to occur in nature, but they are mere hypotheses. Hawking and Ellis
(Reference 11) formulated the energy conditions in order to establish a series of
mathematical hypotheses governing the behavior of collapsed-matter singularities in
their study of cosmology and black hole physics. More specifically, classical general
relativity allows one to prove lots of general theorems about the behavior of matter in
gravitational fields. The impact or implications of the DEC or SEC will not be considered
because they add no new information beyond the WEC and NEC.
The bad news is that real physical matter is not "reasonable" because the energy
conditions are in general violated by semiclassical quantum effects (occurring at order
ri) (Reference 3). 5 More specifically, quantum effects generically violate the average
NEC (ANEC). Furthermore, it was discovered in 1965 that quantum field theory has the
remarkable property of allowing states of matter contain ing local regions of negative
energy density or negative fluxes (Reference 12). This violates the WEC, which
postulates that the local energy density is non-negative for all observers. And there are
also general theorems of differential geometry that guarantee that there must be a
violation of one, some, or all of the energy conditions (meaning exotic matter is
present) for all traversable wormhole spacetimes. With respect to creating traversable
wormhole spacetimes, "negative energy" has the unfortunate reputatio n of alarming
physicists. This is unfounded since all the energy condition hypotheses have been
experimentally tested in the laboratory and experimentally shown to be false - 25 years
before their formulation (Reference 13).
Further investigation into this technical issue showed that violations of the energy
conditions are widespread for all forms of both "reasonable" classical and quantum
matter (Reference 14-18). Furthermore, Visser (Reference 3) showed that all (generic)
spacetime geometries violate all the energy conditions. So the condition that PE > Pi
and/or PE ~ 0 must be obeyed by all forms of matter in nature is spurious. Violating the
energy conditions commits no offense against nature. Negative energy has been
produced in the laboratory and this will be discussed in the following sections.
A. EXAMPLES OF EXOTIC OR "NEGATIVE" ENERGY FOUND IN
NATURE
The exotic (energy condition-violating) fields that are known to occur in nature are:
• Static, radially-dependent electric or magnetic fields. These are borderline exotic, if
their tension were infinitesimally larger, for a given energy density (Reference 11,
19).
• Squeezed quantum vacuum states: electromagnetic and other (non-Maxwellian)
quantum fields (Reference 1, 20).
5 Planck's reduced constant, lJ = 1.055 x 10- 34 J-s.
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Official release, from the pursue collection. The PDF is mirrored here; the original link is above. 42 pages are in the text index: search them above, or from the library's search.