Scientists just freeze light

Описание: The recent achievement by Italian scientists in "freezing" light involves a fascinating demonstration of quantum physics, where light exhibits the properties of a supersolid. Here's a breakdown of the process:
Understanding the Concept:
It's important to clarify that "freezing" light doesn't mean turning it into a literal ice cube. Instead, it refers to manipulating light to behave like a supersolid, a unique state of matter.
A supersolid is a paradoxical state that combines the properties of a solid (ordered structure) and a superfluid (frictionless flow).
The Scientific Process:
Semiconductor Platform:
The researchers used a specialized semiconductor platform, specifically a gallium arsenide structure with microscopic ridges. This platform was designed to control photons, the particles of light.
Creating Polaritons:
They fired a laser into this structure, which generated hybrid light-matter particles called polaritons. These polaritons are crucial because they allow for the manipulation of light in a way that's more controllable.
Achieving Supersolidity:
By increasing the number of photons within the system, the researchers observed the formation of satellite condensates, which is a pattern indicative of supersolidity.
Essentially, they caused the photons to organize themselves into a structured pattern while also exhibiting the ability to flow without friction.
Quantum Techniques:
It is very important to note that, this process is achieved by quantum techniques, and not by the standard method of freezing something by drastically lowering its temperature.
Key Takeaways:
This research demonstrates that light can exhibit a broader range of behaviors than previously thought.
The ability to manipulate light in this way could have significant implications for quantum computing, optical circuits, and other photonic technologies.
This research was lead by Davide Nigro from the University of Pavia and Antonio Gianfate from CNR Nanotec.
This breakthrough is a significant step in our understanding of the fundamental properties of light and opens up new possibilities for advanced technologies.