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Discovery of quantum behavior in insulators suggests possible new particle
Tom Garlinghouse for the Department of Physics
Jan. 11, 2021 4:49 p.m.
In a surprising discovery, Princeton physicists have observed an unexpected quantum behavior in an insulator made from a material called tungsten ditelluride. This phenomenon, known as quantum oscillation, is typically observed in metals rather than insulators, and its discovery offers new insights into our understanding of the quantum world. The findings also hint at the existence of an entirely new type of quantum particle.
The discovery challenges a long-held distinction between metals and insulators, because in the established quantum theory of materials, insulators were not thought to be able to experience quantum oscillations.
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IMAGE: A Princeton-led team of physicists have discovered that, under certain conditions, interacting electrons can create what are called topological quantum states, which, has implications for many technological fields of study, especially. view more
Credit: Kevin Nuckolls, Department of Physics, Princeton University
Electrons inhabit a strange and topsy-turvy world. These infinitesimally small particles have never ceased to amaze and mystify despite the more than a century that scientists have studied them. Now, in an even more amazing twist, physicists have discovered that, under certain conditions, interacting electrons can create what are called topological quantum states. This finding, which was recently published in the journal
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