Bibliographic record
Abstract
We use a generalization of the Werthamer-Helfand-Hohenberg equations to strong coupling and to two-band superconductivity to study the dependence of the upper critical field ${H}_{c2}(T)$ on anisotropy in the electron-phonon coupling and in the Fermi velocities, as well as on arbitrary values of intraband and interband impurity scattering. For a layered system such as $\mathrm{Mg}{\mathrm{B}}_{2}$, the temperature dependence of the critical magnetic $(H)$ field itself and the anisotropy ratio ${H}_{c2}^{ab}(T)∕{H}_{c2}^{c}(T)$ between $ab$ ($H$ in the basal plane) and $c$ ($H$ perpendicular to the basal plane) directions are studied. For $\mathrm{Mg}{\mathrm{B}}_{2}$, the anisotropy ratio is found to be particularly sensitive to intraband impurity scattering in the $\ensuremath{\pi}$ band.
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How this classification was reachedexpand
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 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
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".