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Theorem Unifies Superfluids and Other Weird Materials

June 8, 2012

collective vibrations in a crystal, called phonons Despite physicists' fascination with the weird behavior of materials at extremely low temperatures--11 Nobel Prizes have been awarded in the area--a unified explanation of materials like superfluids and Bose-Einstein condensates remained elusive. Now, University of California, Berkeley, physicists Hitoshi Murayama and Haruki Watanabe have proved that counting the number of Nambu-Goldstone bosons in a material reveals the material's behavior at low temperatures. Full Story

University of California, Berkeley

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