Mysterious Class of “Strange Metals” Yields Quantum Secrets

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Mysterious Class of “Strange Metals” Yields Quantum Secrets
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Physicists at Rutgers University have offered theoretical perspectives on an experiment involving a 'strange metal,' which could play a crucial role in the development of future quantum technologies. Researchers investigating a compound referred to as 'Y-ball,' which belongs to a mysterious class

Scientists have made progress in understanding the behavior of a strange metal called Y-ball, which is central to next-generation quantum materials and could drive future technologies. By using gamma rays in a synchrotron and Mossbauer spectroscopy, the researchers found unusual fluctuations in Y-ball’s electrical charge and discovered that these strange metals may pave the way for high-temperature superconductivity and other quantum applications.

The outcomes of the experiments may contribute to the creation of disruptive technologies and devices. and one of the theoreticians involved in the study. “We know that strange metals like Y-ball exhibit properties that need to be understood to develop these future applications. We’re pretty sure that understanding this strange metal will give us new ideas and will help us design and discover new materials.

Analyzing the material using a technique known as Mossbauer spectroscopy, the scientists probed Y-ball with gamma rays, measuring the rate at which the strange metal’s electrical charge fluctuates. In a conventional metal, as they move, electrons hop in and out of the atoms, causing their electrical charge to fluctuate, but at a rate that is thousands of times too fast to be seen by Mossbauer spectroscopy. In this case, the change happened in a nanosecond, a billionth of a second.

Coleman explained that when an electrical current flows through conventional metals, such as copper, random atomic motion scatters the electrons causing friction called resistance. As the temperature is raised, the resistance increases in a complex fashion and at some point, it reaches a plateau.

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