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Apr 30, 2019

Quantum Entanglement harvesting in a vacuum

Posted by in categories: particle physics, quantum physics, space

Circa 2016


Entanglement is an extremely strong correlation that can exist between quantum systems. These correlations are so strong that two or more entangled particles have to be described with reference to each other, even though the individual objects may be spatially separated.

It has been shown that even if two uncorrelated quantum systems that don’t know anything about each other can still become entangled in a quantum vacuum without being limited by the speed of light.

Quantum theory states that the quantum vacuum isn’t really empty. Quantum fluctuations of the electro-magnetic field vacuum are entangled. These fluctuations can interact locally with two space-like separated atoms and entangle them even if the two atoms never communicated with one another, or even if they never exchanged any information at all. This phenomenon is known as entanglement harvesting.

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