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Massive Dirac fermions in moiré superlattices: A route towards topological flat minibands and correlated topological insulators

2022· article· en· W4290839523 on OpenAlexaff
Ying Su, Heqiu Li, Chuanwei Zhang, Kai Sun, Shi‐Zeng Lin

Bibliographic record

VenuePhysical Review Research · 2022
Typearticle
Languageen
FieldPhysics and Astronomy
TopicTopological Materials and Phenomena
Canadian institutionsUniversity of Toronto
FundersArmy Research OfficeAir Force Office of Scientific ResearchBasic Energy SciencesUniversity of Texas at DallasLaboratory Directed Research and DevelopmentU.S. Department of EnergyLos Alamos National LaboratoryNational Nuclear Security AdministrationOffice of ScienceNational Science Foundation
KeywordsTopological insulatorDirac fermionTopology (electrical circuits)PhysicsSymmetry protected topological orderTopological orderTopological entropy in physicsSuperlatticeDirac (video compression format)Condensed matter physicsFermionTopological quantum numberQuantum mechanicsQuantum

Abstract

fetched live from OpenAlex

A general model to realize topological flat minibands by considering massive Dirac fermions confined in a periodic potential can be realized in various moir\'e systems and survive to arbitrarily large Dirac band gap.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesInsufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Theoretical or conceptual · Consensus signal: Theoretical or conceptual
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.078
Threshold uncertainty score0.995

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.001
Science and technology studies0.0010.000
Scholarly communication0.0000.000
Open science0.0000.001
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0060.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.083
GPT teacher head0.413
Teacher spread0.330 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designTheoretical or conceptual
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations32
Published2022
Admission routes1
Has abstractyes

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