This is writing about data transportation by using quantum entanglement. There is also the possibility to use quantum entanglement in particle accelerators and advanced ion engines. But I will write about those things later.
When we look for practical solutions for quantum mechanics we must look at quantum entanglement. Quantum entanglement or the spooky effect in distance means. That the elementary particles are at the same time in two places. That happens by putting those elementary particles oscillating with the same frequency.
The thing that makes information travel in the quantum computer is that another side of the quantum entanglement is at a higher energy level than the other. That thing causes the information flows to the side of the quantum entanglement. That is at the lower energy level.
And when the sides of the quantum entanglement are at the same level. That thing causes the radiation or wave motion that those particles send brake the quantum entanglement. And that thing is one of the most interesting things if we want to transport information long distances in the form of a qubit.
At this point, we must make a difference between long-distance and short-distance quantum communication. Of course, there is no theoretical limit to the length of quantum entanglement. But transporting qubit long distances can happen quite a simple way.
In qubit-based quantum communication, the information would load to the quantum entanglement. And then the quantum entanglement's energy level will put the same level. Then the wave motion will push those participants of that thing away from each other.
If quantum entanglement is made by using the particles that react with magnetic fields. That thing makes it possible to aim those particles away from each other. Then the particle that transports information can put to travel in the hollow laser or microwave ray. That thing protects the electron or positron that transports information.
This is the reason why things like positronium are under research. Positronium is the system where electrons and positrons (anti-electrons) orbit each other. If quantum superposition is made between electron and positron.
That thing allows the creation of superposition that the system can easily control by using magnetic fields. Also if the transporter particle in long-distance quantum communication is the positron. That makes it easy to destroy it after the data. That improves data security.
Destroying data transporter by using annihilation denies the attacker's ability to steal them. After the data transporter traveled through the sensor there is a theoretical possibility that somebody could steal it. And then that attacker could restore the data remnants but that thing is purely a theoretical way to steal information from the quantum system.
See also: Positronium
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