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説明:

In multilayer moiré heterostructures, the interference of multiple twist angles ubiquitously leads to tunable ultralong-wavelength patterns known as supermoiré lattices. However, their impact on the system’s many-body electronic phase diagram remains largely unexplored. We present local compressibility measurements revealing numerous incompressible states resulting from supermoiré lattice–scale isospin symmetry breaking driven by strong interactions. By using the supermoiré lattice occupancy as a probe of isospin symmetry, we observed an unexpected doubling of the miniband filling near ν, possibly indicating a hidden phase transition or normal-state pairing proximal to the superconducting phase. Our work establishes supermoiré lattices as a tunable parameter for designing quantum phases and as an effective tool for unraveling correlated phenomena in moiré materials.

権利情報:

• In Copyright
  

  This is the author’s version of the work. It is posted here by permission of the AAAS for personal use, not for redistribution. The definitive version was published in Science on 3 Jul 2025; DOI: 10.1126/science.adl2544.

キーワード: Supermoiré lattice, Isospin symmetry breaking, Correlated electron states

刊行年月日: 2025-08-14

出版者: American Association for the Advancement of Science (AAAS)

掲載誌:

• Science (ISSN: 10959203) vol. 389 issue. 6761 p. 736-740

研究助成金:

原稿種別: 著者最終稿 (Accepted manuscript)

MDR DOI:

公開URL: https://doi.org/10.1126/science.adl2544

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更新時刻: 2026-07-29 13:03:56 +0900

MDRでの公開時刻: 2026-07-29 14:28:30 +0900