Observation of Anomalous Moiré Patterns

Omer Amit, Or Dobkowski, Zhifan Zhou, Yair Margalit, Yonathan Japha, Samuel Moukouri, Yigal Meir, Baruch Horovitz, Ron Folman

Research output: Working paper/PreprintPreprint

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Moiré patterns are omnipresent. They are important for any overlapping periodic phenomenon, from vibrational and electromagnetic, to condensed matter. Here we show, both theoretically and via experimental simulations by ultracold atoms, that for one-dimensional finite-size periodic systems, moiré patterns give rise to anomalous features in both classical and quantum systems. In contrast to the standard moiré phenomenon, in which the pattern periodicity is a result of a beat-note between its constituents, we demonstrate moiré patterns formed from constituents with the same periodicity. Surprisingly, we observe, in addition, rigidity and singularities. We furthermore uncover universal properties in the frequency domain, which might serve as a novel probe of emitters. These one-dimensional effects could be relevant to a wide range of periodic phenomena.
Original languageEnglish
Number of pages16
StatePublished - 2021


  • Quantum Physics
  • Condensed Matter - Other Condensed Matter


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