Excitons are the quasiparticles that consist of electrons and the electron-hole that an electron leaves behind it when a photon impacts it and rises it to a higher energy level. In that case, the electron leaves the positive hole behind it. That hole is the reason why electrons will drop back to the base energy level.
When electricity travels on the wire that thing bases the electron hole. At the first one-electron will jump to a higher energy level and forms the electron-hole. Then that electron transmits energy to electrons around it. That thing raises the energy level of all other electrons that are forming other holes.
On the wire, the holes will make electrons move. And that means electricity is the movement of electrons or wave motion that travels between electrons that are hovering over their holes. Like in all other quantum systems energy will travel from the higher energy level to the lower energy level.
The thing that can deny electron drop to the base energy level is the case that some other electron will fill that hole. In that case, the energy flow from the negative electron to the positive electron-hole will stop. The ability to deny the electron drop back to its hole will make it possible to make an electron that flows above the base energy layer.
An interesting thing about the electron-hole is that its polarity is positive. That positive polarity is the thing that will pull the electron back because energy travels from the electron to the hole. That positive electron hole is the thing that causes the electron movement on the core of the electric wire.
And one of the most interesting things is that if the positive hole turns to a higher energy level than the electron that forms that hole it can turn the electron into an anti-electron or positron. The reason why the thin gold layer turns electrons into positrons is this. When an electron travels through that gold it forms a series of the holes behind it. If those holes are in line they will get a higher energy load than an electron. And that turns electrons polarity positive.
There is the possibility that the antimatter can form by using two different electron or laser rays. The first extremely high energy electrons are forming the hole. And then the electron whose energy level is the lowest possible will transfer near those holes. That thing makes it possible to create an electron-hole that is higher energetic than an electron.
https://phys.org/news/2022-05-tunable-quantum-excitons.html
https://en.wikipedia.org/wiki/Exciton
Image: https://phys.org/news/2022-05-tunable-quantum-excitons.html
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