Finite-difference time-domain simulation of plasmonic nanoparticles
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Bibliographic record
Abstract
Recently noble metal nanoparticles have attracted strong interest due to their potential as nano-scale waveguides and lumped elements in the optical frequency range. Engheta et. al., (2005) showed that a non-metal nanoparticle can serve as a capacitor whereas a metal nanoparticle can serve as an inductor. This idea is interesting for the design of optical metamaterials, if the proposed nanoparticles are employed to implement the inductive/capacitive blocks in 2-D/3-D negative-refractive-index transmission line (NRI-TL) based metamaterials. Due to the difficulty of adjusting to the inherent numerical intricacies of this problem, simulating plasmonic nanoparticles becomes a challenge for commercial packages. Full-wave analysis through the finite-difference time-domain (FDTD) can provide an alternative to them. In this paper, we present the FDTD analysis of a silver nano sphere and compare its field pattern to that of a dielectric nano sphere. These results are also validated against data obtained from quasi-static theory.
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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) | 0.000 | 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