Local oscillator requirements for timekeeping in the 10/sup -14/ tau /sup -1/2/ era
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Bibliographic record
Abstract
A method of using current local oscillators for timekeeping standards based on Ramsey interrogation of large ensembles of ions or atoms, such as a linear ion trap or a pulsed atomic fountain, is proposed and analyzed. The time domain is used to analyze these systems. The atomic ensemble is regarded as the reference oscillator to measure the local oscillator's accumulation of the phase error during the time interval between the two Ramsey interactions. Thus, the local oscillator's degradation of timekeeping can be largely limited to the accumulation of local oscillator phase error during the dead time between Ramsey interrogation cycles. The degradation is studied and presented for different local oscillators in the context of a pulsed atomic fountain. For timekeeping, current quartz local oscillators could be used in a pulsed cesium fountain frequency standard to approach the sigma /sub y/( tau ) regime of 10/sup -14/ tau /sup -1/2/, and with improved local oscillators could be spectacularly better.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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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) | 0.003 | 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