Reactive, localized, and stored energies: The fundamental differences and proposals for new experiments
Bibliographic record
Abstract
The question of energy is fundamental in electromagnetics and has been around since the inception of the modern theory of electromagnetic fields by Faraday and Maxwell. However, the topic remains shrouded with serious conceptual difficulties in both the physical literature [1] and the engineering side, see for example the recent antenna near field theory and the open questions left there [2]. The present paper aims at providing a fresh view on the topic taking into account recent progress in both theoretical and applied research. We highlight some subtle and not well-acknowledged differences between three types of basic energy processes in general antenna systems: reactive energy, localized energy, and stored energy. The explication will rely on careful analysis of the way the energy concept is used in various applications, such as matching (reactive energy), near field control and functions (localized energy), and energy harvesting and retrieval (stored energy).
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.005 | 0.005 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.002 | 0.015 |
| Scholarly communication | 0.005 | 0.020 |
| Open science | 0.003 | 0.004 |
| Research integrity | 0.005 | 0.007 |
| Insufficient payload (model declined to judge) | 0.005 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".