Quantum computers proved that they work. But there are many challenges before our PC turns into a quantum computer.

Quantum teleportation is the key element in quantum computers. 

The term superposition means that the elementary particles will turn identically by connecting them with a laser or some other energy rays. Or actually, superposition means, that the particle can be in two places at the same time. In that case, the particle pair will turn identically by synchronizing their oscillation identical. In that process the particle pair's another participant will stress by radiation. 

And that participant will send wave motion to another particle which starts to oscillate with the same frequency. That thing causes that between those particles is forming the energy bridge. And when another participant moves the other will also move. This is the thing called quantum teleportation. The reason why quantum entanglement is needed is that quantum teleportation requires the quantum channel between those particles. 

The quantum computer is one of the most powerful systems in the world. But we cannot still live without binary computers. The binary computers are needed to support the quantum computers. Their mission is to decode binary data to the qubit. 

And then decode the data from the qubit to the output devices. The thing that is the problem is this. A quantum computer requires superpositioned and entangled particles to transfer data. In most quantum computers the system uses superpositioned and entangled photons for making the needed quantum entanglement. The problem is that the quantum entanglement would stay less than a minute. And then the system must re-adjust. 

The problem with quantum entanglement is that thing is forming between two particles. And those particles must stay at a certain distance from each other, and they should be the same size. Electrons would be very good things for making the quantum entanglement. But the problem is that the electric polarity of those particles makes them repel each other. And proton-electron pair is not suitable, because the electron is so much smaller than a proton. Superpositioning of those particles will not be possible. Or it's more difficult than superpositioning the particle-antiparticle pairs. 

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The use of matter-antimatter hybrid material in quantum entanglement is a fascinating possibility. 

If we want to put the positron-electron (or proton-antiproton) pair in a stable position. And keep that particle-antiparticle pair at a certain distance from each other we should only use magnets. 

Those magnets will pull the particle and antiparticle from each other. And anchor that pair in a certain position. Then the laser (or maser) ray can create the superposition and entanglement for those particles.

Because electrons and protons are heavier than photons that system is more resistant to the outcoming effects than superpositioned and entangled photons. 

Normally in quantum computers, the system uses superpositioned and entangled photons. But the problem is that photons are so light. Even gravitational waves can affect their position. So some heavier particles can help to keep superposition and entanglement longer time. 

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The problem with photonic superposition is that photons are so light. 

The problem with photonic superposition is that photons are so light. The electromagnetic turbulence and even gravitational waves are disturbing that structure. If the quantum entanglement can create between heavier particles, outcoming effects will not shake that structure so easily. But where those researchers can get similar particles with different polarity? One way is to use antimatter. 

This is why researchers are interested in antimatter. Or sharper saying connecting the antimatter particles with material particles. The antimatter or anti-particle is similar to the so-called regular particle. But its polarity is different. That means the distance of those particles can keep stable simply by making them orbit each other. 

The protium is the antiprotonic hydrogen where antiproton and proton are orbiting each other. And positronium is the system where positron (anti-electron) and electron are orbiting each other. Positronium and protonium can be the next-generation way. For making stable superpositioned and entangled particles. Stabilization of those particles can make by using magnets that pull particles and antiparticles away from each other. And that magnetic field will anchor them to a certain direction. So protium and positronium can use in quantum entanglement. 

https://interestingengineering.com/method-solve-quantum-problems

https://www.tomshardware.com/news/qubit-teleportation-paves-the-way-for-galaxy-spanning-communications

https://en.wikipedia.org/wiki/Positronium

https://en.wikipedia.org/wiki/Protonium

https://en.wikipedia.org/wiki/Quantum_entanglement

https://en.wikipedia.org/wiki/Quantum_teleportation

https://en.wikipedia.org/wiki/Qubit