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Record W2326445932 · doi:10.1103/physrevb.86.115427

Coherent photocurrent control in graphene in a magnetic field

2012· article· en· W2326445932 on OpenAlex
Kiran M. Rao, J. E. Sipe

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.
fundA Canadian funder is recorded on the work.

Bibliographic record

VenuePhysical Review B · 2012
Typearticle
Languageen
FieldPhysics and Astronomy
TopicQuantum optics and atomic interactions
Canadian institutionsUniversity of Toronto
FundersNatural Sciences and Engineering Research Council of Canada
KeywordsPhysicsLandau quantizationMagnetic fieldElectronPolarization (electrochemistry)Terahertz radiationOscillation (cell signaling)PhotocurrentCoherent controlCondensed matter physicsGraphenePhase (matter)PerpendicularPhotonOpticsQuantum mechanicsLaser

Abstract

fetched live from OpenAlex

We consider theoretically the coherent optical control of a graphene sheet in a perpendicular magnetic field. When a two-color optical beam is applied, rotating photocurrents of electrons and holes are generated through interference between one- and two-photon processes which place electrons or holes in adjacent Landau levels. These oppositely rotating currents contain multiple frequency components in the terahertz range due to the unequal Landau level spacing combined with the finite pulse bandwidths. The overall current oscillates in a direction determined by the pulse polarization, and the phase of oscillation can be tuned through a relative phase parameter of the pulses. The magnitude of the current is predicted to be comparable to that already detected in the absence of a magnetic field, so these effects should be observable.

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.

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)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Theoretical or conceptual · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.396
Threshold uncertainty score0.613

Codex and Gemma teacher scores by category

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

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 head0.010
GPT teacher head0.317
Teacher spread0.307 · 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