“In this illustration, light is coupled into a nanoscale cavity and interacts with an atomically thin material, creating exciton-polaritons. These hybrid particles combine light’s speed with matter’s ability to interact, enabling optical signal switching. Credit: Zhi Wang” (ScitechDaily, Light-Matter Particles Could Revolutionize AI Computing)
AI pushes electronics to their limits.
“Electrons carry an electrical charge, which creates problems as computer chips become more advanced. Moving electrons through materials generates heat and resistance, wasting energy and making systems harder to cool. Those challenges are growing as AI hardware must process and transfer enormous amounts of data.” (ScitechDaily, Light-Matter Particles Could Revolutionize AI Computing)
Light-matter particles can replace electrons in high-power microchips. Those particles, known as exciton-polaritons, are so-called quasiparticles. Those particles are also known as “virtual particles”. They are like whirls or holes in the quantum fields. “In condensed matter physics, a quasiparticle is a concept used to describe the collective behavior of a group of particles that can be treated as if they were a single particle. Formally, quasiparticles and collective excitations are closely related phenomena that arise when a microscopically complicated system, such as a solid, behaves as if it contained different weakly interacting particles in a vacuum”. (Wikipedia, Quasiparticle)
"Frenkel exciton, bound electron-hole pair where the hole is localized at a position in the crystal represented by black dots" (Wikipedia, Exciton)
In new processors, polaritons can move across the exciton lines.
The problem with high-power computing is the infrastructure. Or, the physical system. When electrons travel in microchips, they release energy. That energy is seen as heat.
It is possible to replace electrical wires with electrons that flow through nanotubes. Those free-electron microchips can create less thermal waste. Than regular microchips. In the cases. Of the regular microchips. The resistance in the wires is a problem. It forms heat. That heat causes oscillation. And this destroys information. In these cases, the electrons travel across the air.
Or in nanotubes, which causes another problem. The electron reaches the sensor with a higher energy level. In binary systems, those electrons can have a certain energy level. That acts as a limit. When the energy level. It is higher than the limit. The value is one. And below that limit, the value is zero. But the problem is that those electrons hit the sensor at a higher energy level. And that causes heat.
When researchers want to create a microchip. They want to transport information, not electricity. The light-matter particles are. A good tool for that. Their energy level is lower than that of electrons. This decreases the thermal problem. And it increases the power of the microchips.
https://scitechdaily.com/light-matter-particles-could-revolutionize-ai-computing/
https://en.wikipedia.org/wiki/Coulomb%27s_law
https://en.wikipedia.org/wiki/Exciton
https://en.wikipedia.org/wiki/Polariton
https://en.wikipedia.org/wiki/Quasiparticle






















