All superconductors by nature carry electrical currents without the presence of any resistance. The characteristic is the primary reason for the use of coils of superconducting wires rather than copper wires for MRI machines and several other scientific equipments. However, superconductors acquire super-conductance in distinct ways. Thus, for almost two decades, researchers have invested efforts in discovering a special superconductor that has the ability to depend on the intricate synchronization of subatomic particles that really carry the current.
Now, the scientists on the hunt for numerous years have finally found some evidence on the special sort of superconductor. They have demonstrated that UTe2 (Uranium Ditelluride) exhibits several hallmarks of a topological superconductor. The discovery is a humongous breakthrough in the field of Quantum Computing as it could potentially be the key to build innovative quantum computers and other futuristic gadgets.
The team stated that as per the research and theory, the superconducting state of the material is topological. This is because if the nature of superconductivity in a material is really topological, then, indeed, the resistance would go to zero in the bulk of the material. However, on the surface, a unique occurrence will be noticed. Particles referred to as Majorana modes will appear and create a fluid that cannot be identified as a superconductor. The particles would remain on the surface even through defects in material or any minimal disruptions from the surroundings.
Researchers, through their research, have brought forth that looking at the unique properties of the particles; they might come to be a great foundation for quantum computing. A piece of information could be encoded with numerous Majoranas that are at a distance would make the informationally essentially immune towards any local disturbance. A situation that till now had been the biggest hurdle for quantum computers.
The team further stated that as per the evidence gathered, they could envision that the surface of Ute2 is covered with numerous Majorana modes. However, the claim would need unequivocal evidence, which is yet to be given. The team tried to come up with all forms of alternatives that could be possible for the presence of these particles on a surface, such as light hitting the edges of the sample, oxidization on the surface, etc. No other possibility has yet surfaced, which makes them optimistic that their theory is correct.
Nonetheless, the new material in itself is interesting and might be the center of research for other science teams as well. The question still remains whether there are Majoranas at the surface or not, and further research is required before the theory of scientists is universally accepted.
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