Quantum quasiparticle could make future quantum computers more reliable [English]

Author: Jia Li | Source: NSF – National Science Foundation | Read the full article in English

Researchers have recently discovered a new type of subatomic particle called a fractional exciton, which could significantly enhance the reliability of future quantum computers. This groundbreaking finding was made possible through support from the U.S. National Science Foundation and involved extensive laboratory work at the National High Magnetic Field Laboratory in Florida. The fractional exciton exhibits unique properties that were previously predicted by theoretical models, suggesting a new class of quantum particles that could revolutionize how we store and manipulate information at the quantum level.

The team, led by physicist Jia Li from Brown University, observed these fractional excitons by utilizing a phenomenon known as the fractional quantum Hall effect. This effect occurs when a strong magnetic field is applied to extremely thin layers of materials at very low temperatures, causing electrons to behave as if they are divided into fractions of a single electron. The interaction between these fractional particles, which carry opposite charges, leads to the formation of the fractional exciton.

This discovery opens up exciting new avenues for research in quantum physics and computation. The researchers are eager to explore how these fractional excitons interact and whether their behavior can be controlled, potentially leading to advancements in quantum technology that could make computers faster and more efficient.

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