General Relativity
Negative Energy Density
Definition
A hypothetical exotic matter with negative energy density, theoretically required to hold open a traversable wormhole.
Related Theories (2)
Negative Energy via Parabolic Mirrors
Using parabolic cylindrical mirrors to reflect quantum vacuum fluctuations onto a focal line, creating a region of negative energy density surrounded by positive energy.
Negative Mass Engineering Application
Concentrating vacuum energy to create negative mass objects enabling propulsion without rocket fuel and time travel construction theoretically possible and accessible to advanced civilizations requiring unknown fields and breaking current understanding of quantum mechanics and gravity