August 19, 2022

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Researchers develop new methodology for detecting superfluid movement: Scientists hope the strategy results in breakthroughs in sensing and data processing


Researchers at Rochester Institute of Technology are a part of a brand new examine that would assist unlock the potential of superfluids — basically frictionless particular substances able to unstopped movement as soon as initiated. A workforce of scientists led by Mishkat Bhattacharya, an affiliate professor at RIT’s School of Physics and Astronomy and Future Photon Initiative, proposed a brand new methodology for detecting superfluid movement in an article printed in Physical Review Letters.

Scientists have beforehand created superfluids in liquids, solids, and gases, and hope harnessing superfluids’ properties might assist result in discoveries corresponding to a superconductor that works at room temperature. Bhattacharya mentioned such a discovery might revolutionize the electronics business, the place lack of vitality on account of resistive heating of wires incurs main prices.

However, one of many fundamental issues with learning superfluids is that every one obtainable strategies of measuring the fragile superfluid rotation carry the movement to a halt. Bhattacharya and his workforce of RIT postdoctoral researchers teamed up with scientists in Japan, Taiwan, and India to suggest a brand new detection methodology that’s minimally harmful, in situ, and in real-time.

Bhattacharya mentioned the methods used to detect gravitational waves predicted by Einstein impressed the brand new methodology. The primary concept is to go laser gentle by way of the rotating superfluid. The gentle that emerged would then decide up a modulation on the frequency of superfluid rotation. Detecting this frequency within the gentle beam utilizing current know-how yielded data of the superfluid movement. The problem was to make sure the laser beam didn’t disturb the superflow, which the workforce completed by selecting a light-weight wavelength completely different from any that will be absorbed by the atoms.

“Our proposed method is the first to ensure minimally destructive measurement and is a thousand times more sensitive than any available technique,” mentioned Bhattacharya. “This is a very exciting development, as the combination of optics with atomic superflow promises entirely new possibilities for sensing and information processing.”

Bhattacharya and his colleagues additionally confirmed that the sunshine beam might actively manipulate supercurrents. In specific, they confirmed that the sunshine might create quantum entanglement between two currents flowing in the identical gasoline. Such entanglement might be helpful for storing and processing quantum data.

Bhattacharya’s theoretical workforce on the paper consisted of RIT postdoctoral researchers Pardeep Kumar and Tushar Biswas, and alumnus Kristian Feliz ’21 (physics). The worldwide collaborators consisted of professors Rina Kanamoto from Meiji University, Ming-Shien Chang from the Academia Sinica, and Anand Jha from the Indian Institute of Technology. Bhattacharya’s work was supported by a CAREER Award from the National Science Foundation.

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Materials offered by Rochester Institute of Technology. Original written by Luke Auburn. Note: Content could also be edited for model and size.



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