Evidence map›Paper›PMID 41731209›Full record

ArticleNature materials2026

Six-state clock physics in an atomically thin antiferromagnet.

Frank Y Gao, Dong Seob Kim, Chao Lei, Ajesh Kumar, Xinyue Peng, Xiaohui Liu, Francesco Barantani, Shangjie Zhang, Kyoung Pyo Lee, Kalaivanan Raju and 8 more

Abstract read
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In one paragraph

Article in Nature materials, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

18 authors.

Frank Y Gao *Department of Physics and Center for Complex Quantum Systems, The University of Texas at Austin, Austin, TX, USA.ORCID http://orcid.org/0000-0001-8982-4601
Dong Seob Kim *Department of Physics and Center for Complex Quantum Systems, The University of Texas at Austin, Austin, TX, USA.ORCID http://orcid.org/0000-0003-4551-7727
Chao LeiDepartment of Physics and Center for Complex Quantum Systems, The University of Texas at Austin, Austin, TX, USA.ORCID http://orcid.org/0000-0002-7249-9539
Ajesh KumarDepartment of Physics, Massachusetts Institute of Technology, Cambridge, MA, USA.ORCID http://orcid.org/0000-0002-6280-1845
Xinyue PengDepartment of Physics and Center for Complex Quantum Systems, The University of Texas at Austin, Austin, TX, USA.
Xiaohui LiuDepartment of Physics and Center for Complex Quantum Systems, The University of Texas at Austin, Austin, TX, USA.
Francesco BarantaniDepartment of Physics and Center for Complex Quantum Systems, The University of Texas at Austin, Austin, TX, USA.ORCID http://orcid.org/0000-0002-2053-1365
Shangjie ZhangDepartment of Physics and Center for Complex Quantum Systems, The University of Texas at Austin, Austin, TX, USA.
Kyoung Pyo LeeDepartment of Physics and Center for Complex Quantum Systems, The University of Texas at Austin, Austin, TX, USA.
Kalaivanan RajuInstitute of Physics, Academia Sinica, Taipei, Taiwan.
David LujanDepartment of Physics and Center for Complex Quantum Systems, The University of Texas at Austin, Austin, TX, USA.
Saba ArashDepartment of Physics and Center for Complex Quantum Systems, The University of Texas at Austin, Austin, TX, USA.ORCID http://orcid.org/0000-0001-7700-9263
Sankar RamanInstitute of Physics, Academia Sinica, Taipei, Taiwan.ORCID http://orcid.org/0000-0003-4702-2517
Shang-Fan LeeInstitute of Physics, Academia Sinica, Taipei, Taiwan.
Mengxing YeDepartment of Physics & Astronomy, The University of Utah, Salt Lake City, UT, USA.ORCID http://orcid.org/0000-0002-0723-5668
Xiaoqin LiDepartment of Physics and Center for Complex Quantum Systems, The University of Texas at Austin, Austin, TX, USA.ORCID http://orcid.org/0000-0002-2279-3078
Allan H MacDonaldDepartment of Physics and Center for Complex Quantum Systems, The University of Texas at Austin, Austin, TX, USA.ORCID http://orcid.org/0000-0003-3561-3379
Edoardo BaldiniDepartment of Physics and Center for Complex Quantum Systems, The University of Texas at Austin, Austin, TX, USA. edoardo.baldini@austin.utexas.edu.ORCID http://orcid.org/0000-0002-8131-9974

Funding

Academia Sinica AS-iMATE-111-11Academia Sinica AS-iMATE11412Gordon and Betty Moore Foundation (Gordon E. and Betty I. Moore Foundation) GBMF8684Ministry of Science and Technology, Taiwan (Ministry of Science and Technology of Taiwan) MOST110-2124-M-001-009-MY3Ministry of Science and Technology, Taiwan (Ministry of Science and Technology of Taiwan) NSTC-114-2124-M- 001-009, NSTC-113-2112M001-045-MY3National Science Foundation (NSF) 2441874NSF | Directorate for Mathematical & Physical Sciences | Division of Materials Research (DMR) DMR-2118806, DMR-2225645NSF | Directorate for Mathematical & Physical Sciences | Division of Materials Research (DMR) DMR-2118806,DMR-2225645,DMR- 2308817NSF | Directorate for Mathematical & Physical Sciences | Division of Materials Research (DMR) DMR- 2308817United States Department of Defense | United States Air Force | AFMC | Air Force Office of Scientific Research (AF Office of Scientific Research) FA2386-21-1-4067United States Department of Defense | United States Air Force | AFMC | Air Force Office of Scientific Research (AF Office of Scientific Research) FA9550-24-1-0097United States Department of Defense | United States Army | U.S. Army Research, Development and Engineering Command | Army Research Office (ARO) W911NF-23-1-0394United States Department of Defense | U.S. Air Force (United States Air Force) FA2386-21-1-4067U.S. Department of Energy (DOE) DE-AC02-76SF00515Welch Foundation F-0014Welch Foundation F-2092-20250403Welch Foundation TBF1473W. M. Keck Foundation (W.M. Keck Foundation) 996588
6 · The paper itself

Abstract

The study of collective behaviour driven by spontaneous symmetry breaking and topology is crucial for understanding phase transitions in quantum matter. The two-dimensional (2D) XY model, describing spins with continuous in-plane rotational symmetry, hosts the topological Berezinskii-Kosterlitz-Thouless (BKT) transition, where vortex-antivortex binding induces quasi-long-range order. This model was later extended to include anisotropy fields, leading to the six-state clock model, which predicts the instability of the BKT phase toward true long-range order at low temperatures. Here we investigate this physics in the van der Waals antiferromagnet NiPS

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