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Scientists prove 'quantum theory' that could lead to ultrafast magnetic computing

Scientists prove 'quantum theory' that could lead to ultrafast magnetic computing

Scientists prove 'quantum theory' that could lead to ultrafast magnetic computing
May 16, 2024 52 secs

For the first time, scientists have magnetized a non-magnetic material at room temperature, inducing a quantum property that they say could pave the way for ultra-fast computing.

The results pave the way for "ultra-fast magnetic switches that can be used for faster information transfer and considerably better data storage, and for computers that are significantly faster and more energy-efficient,” study lead author, Alexander Balatsky, professor of physics at the Nordic Institute for Theoretical Physics (NORDITA), said in a .

But quantum states are delicate, and can easily fall apart, or "decohere," thanks to noise such as thermal vibration, or the random jiggling of atoms.

In 2017, Balatsky and colleagues laid out a theoretical approach to generating a quantum state, called "dynamic multiferroicity," in which electrical polarization induced magnetism in a non-magnetic material.

The team transmitted laser pulses that generated circularly polarized photons, or light particles, in a narrow band of wavelengths.

The researchers envision this breakthrough leading to ultrafast magnetic switches that can operate at room temperature — using lasers to control the lattice vibrations of a material.

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