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Confirmation of Old Theory Leads to New Breakthrough in Superconductor Science
July 1, 2019 | Argonne National LaboratoryEstimated reading time: 5 minutes
“Before we were sure of the role vortices play in the reverse Hall effect, we couldn’t use it reliably as a measuring tool,” said Vinokur. “Now that we know we were correct, we can use the theory to study other fluctuations in the transition phase, ultimately leading to better understanding of superconductors.”
Although the material in this study is two-dimensional, the scientists believe that the theory applies to all superconductors. Future research will include deeper study of the materials — the behavior of the vortices even has application in mathematical research.
Vortices are examples of topological objects, or objects with unique geometrical properties. They are currently a popular topic in mathematics because of the ways they form and deform and how they change the properties of a material. The 1996 theories used topology to describe the behavior of the vortices, and topological properties of matter could carry a lot of new physics.
“Sometimes you discover something new and exotic,” said Vinokur about the research, “but sometimes you just confirm that you do, after all, understand the behavior of the every-day thing that is right in front of you.”
About Argonne National Laboratory
Argonne National Laboratory seeks solutions to pressing national problems in science and technology. The nation’s first national laboratory, Argonne conducts leading-edge basic and applied scientific research in virtually every scientific discipline. Argonne researchers work closely with researchers from hundreds of companies, universities, and federal, state and municipal agencies to help them solve their specific problems, advance America’s scientific leadership and prepare the nation for a better future. With employees from more than 60 nations, Argonne is managed by UChicago Argonne, LLC for the U.S. Department of Energy’s Office of Science.
About U.S. Department of Energy’s Office of Science
The U.S. Department of Energy’s Office of Science is the single largest supporter of basic research in the physical sciences in the United States and is working to address some of the most pressing challenges of our time.
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