Coherent photocurrent control in graphene in a magnetic field
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Bibliographic record
Abstract
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.
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Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it