Research
Research and publications from the Arena Physica team.
- (opens in new tab)PublicationOctober 1, 2026
Edge Elements: How FEM Solvers Represent Electromagnetic Fields
A brief introduction to Nédélec edge elements and why standard electromagnetic simulation needs edge-based degrees of freedom.
- (opens in new tab)PublicationSeptember 16, 2026
Can the US build a DJI?
How DJI achieves its exceptional margins, from a teardown of two popular drones.
- (opens in new tab)PublicationSeptember 1, 2026
Introducing Heaviside-1
A new class of foundation model for 3D electromagnetic fields with a step change in capability and out-of-distribution generalization.
- (opens in new tab)PublicationJuly 10, 2026
What is a Smith Chart?
An interactive introduction to the chart at the heart of RF engineering.
- (opens in new tab)PaperSeptember 30, 2026
Simulator-Refined Diffusion for Radio-Frequency Inverse Design
This paper proposes Simulator-Refined Diffusion (SRD), a novel combination of a low-fidelity differentiable surrogate and a high-fidelity non-differentiable simulator within the diffusion sampling process.
- (opens in new tab)PaperMay 6, 2026
Converting Compute into Performance in a Data-Constrained World
Research paper exploring how compute scales into model performance when training data is constrained.
- (opens in new tab)PaperMay 6, 2026
Inverse Design of Multi-Layer Sub-Pixel-Resolution RF Passives
Grayscale diffusion with flexible S-parameter conditioning for inverse design of RF passive components.
- (opens in new tab)PublicationApril 1, 2026
Introducing Atlas RF Studio: Toward a Foundation Model for Electromagnetics
The full technical deep dive: how we built the data factory, trained Heaviside-0 and Marconi-0, and why fields are the right training signal for generalization.