Space-Time Crystal and Space-Time Group

Xu, SL; Wu, CJ

Xu, SL (reprint author), Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA.; Xu, SL (reprint author), Univ Maryland, Condensed Matter Theory Ctr, College Pk, MD 20742 USA.; Xu, SL (reprint author), Univ Maryland, Dept Phys, College Pk, MD 20742 USA.

PHYSICAL REVIEW LETTERS, 2018; 120 (9):

Abstract

Crystal structures and the Bloch theorem play a fundamental role in condensed matter physics. We extend the static crystal to the dynamic "space-time"......

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