Time Crystals: New States of Matter
by Frank Wilczek (MIT and Stockholm University)
Uppsala University Department of Astronomy & Physics
24 May 2017
Symmetry, and the spontaneous breaking of symmetry, are dominant themes in modern physics. Time translation is perhaps the most fundamental of symmetries, and the question of its breaking raises new conceptual issues. From this ferment, one imagines new states of matter, the so-called “time crystals.” First proposed theoretically, they have been recently seen by experimenters. Dr. Wilczek reviewed these developments, and discussed future prospects.
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