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No Massless Goldstone Bosons in Hamiltonian Time Crystals

Antti J Niemi1

  • 1University of Science and Technology of China, Nordita, Stockholm University, Roslagstullsbacken 23, SE-106 91 Stockholm, Sweden and Wilczek Quantum Center, Shanghai Institute for Advanced Studies, Shanghai 201315, China.

Physical Review Letters
|December 19, 2025
PubMed
Abstract

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