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Researchers create strange magnetic particles with lasers-quantum can revolutionize computers | Technology

Researchers create strange magnetic particles with lasers-quantum can revolutionize computers | Technology
Researchers create strange magnetic particles with lasers-quantum can revolutionize computers 

Researchers use lasers to make odd magnetic particles—quantum computers might be revolutionary

Researchers at Lund University in Sweden have discovered a new way to create nano-scale magnetic particles using ultrafast laser pulses. This announcement has the potential to pave the way for new, more energy-efficient technological components that may be useful in future quantum computers.


Magnetic skyrmions are sometimes called magnetic vortices. The Skyramion state is very strange when compared to the ferromagnetic state (which occurs with traditional magnets such as compass and refrigerator magnets). Magnetization adaptations do not point in the same direction everywhere, but are best described as a type of rotational magnetism. 

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Skyrmions are of great interest to both basic research and industry as they can be used to create more compact computer memory. But it's not as easy as it sounds. To use Skyramion for technical purposes, you need an efficient way to write, delete, and manipulate particles in a short amount of time with high spatial accuracy.

In the new study, researchers from Lund University: Claudio Verdozzi and Emile Venus Bostrom, and the Angel Rubio of the Max Planck Institute for Structural Mechanics in Hamburg Rubio have devised a new approach.


"Our research has theoretically shown how to meet one of these requirements: using laser vibration to create a magnetic skyramion in a very short time," said a physicist. Researcher Claudio Verdozzi said. Lund University.

The research team has identified a microscopic process that describes an experimental protocol that effectively creates bizarre skyramions. Using a femtosecond laser pulse (a light pulse that lasts one billionth of a second), researchers have shown that skillmions can be created very quickly.

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"Our results are highly relevant to the creation of more energy efficient technical components. Our research shows that light can be used to manage local magnetic stimuli in a very short time. "We do," said Claudio Verdozzi.

Many applications, including quantum technology, can lead to discoveries. This is an area that uses quantum mechanical properties to solve advanced computations that go beyond the boundaries of traditional computers. Magnetic stimuli such as skyramions and so-called spin waves are also believed to reduce the energy costs of technological components, thereby contributing to future climate goals.

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"Skyrmions focus on theoretical and experimental research because of their technical potential. In addition, the external magnetic patterns have conceptual and mathematical aesthetics that make them very attractive. That's what Claudio Verdozzi concludes.

Source: Lund University, Science and Technology Daily, Direct News 99 

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