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Quantum Entanglement Through Time Teleportation

Albert Einstein could never accept the implications of quantum theory and particularly the fact that our reality is non-local where particles can interact over any distance instantaneously. This is known as quantum entanglement labeled by Einstent as "spukhafte Fernwirkung" or "spooky action at a distance".

Einstein was convinced that there was something fundamentally wrong with the quantum theory as entanglement violates the principle of locality where an object is influenced directly only by its immediate surroundings. Einstein together with Boris Podolsky and Nathan Rosen formulated a though experiment that resulted in the famous EPR paradox where two systems are allowed to interact and are then separated. Now assume that we make a measurement of the first system and find out its momentum or position, which according to entanglement would provide us with information about the second system. Then we measure the second system, which again would reveal information that we did not measure in the first system. There is a lot more to this but basically this would violate the Heisenberg's uncertainty principle where certain pairs of physical properties, such as position and momentum, cannot be simultaneously known to arbitrarily high precision. The more precisely one property is measured, the less precisely the other can be measured. The EPR paradox was used for long time as the main argument against the idea of quantum entanglement.

In 1964 our view of reality has changed when John Stewart Bell pointed out to flaws of the EPR paradox and experimentally showed that quantum entanglement is in fact real attribute of the quantum system. Many other experiments since then confirmed non-locality and thus discarded the principle of local realism. Quantum theory has made countless prediction about our reality to incredible precision. Nobody seems to understand it as it is going against our deepest notions about reality, which is definitely more complex and beautiful than we can generally appreciate using our few senses. The principle of non-locality stands at the core of the quantum theory. In Erwin Schrödinger's words:

"Entanglement is not one, but rather the characteristic trait of quantum mechanics, the one that enforces its entire departure from classical lines of thought."

If you have never heard about quantum entanglement before I hope this short introduction has sparked your interest in so-called "quantum weirdness" of reality. There is much more interesting stuff in quantum mechanics that is mind twisting and really worth looking into. Check my previous article about the state of the computer technology where you will read about simple quantum computers being already built. 

I came across a very interesting article today, which predicts that quantum entanglement is not only happening in the spatial dimension but also through time teleportation between different spatial regions. Below is the abstract from the article.

timelike entanglement
"Recently, it has been shown that the massless quantum vacuum state contains entanglement between timelike separated regions of spacetime, in addition to the entanglement between the spacelike separated regions usually considered. Here, we show that timelike entanglement can be extracted from the Minkowski vacuum and converted into ordinary entanglement between two inertial, two-state detectors at the same spatial location - one coupled to the field in the past and the other coupled to the field in the future. The procedure used here demonstrates a clear time correlation as a requirement for extraction, e.g. if the past detector was active at a quarter to 12:00, then the future detector must wait to become active at precisely a quarter past 12:00 in order to achieve entanglement."
Last Updated on Wednesday, 19 January 2011 16:54