/? amplituhedron

From "Deflection of electromagnetic waves by pseudogravity in distorted photonic crystals" (2023) https://journals.aps.org/pra/abstract/10.1103/PhysRevA.108.0... :

> Amplituhedrons are also "quantum-geometric" "manifolds" (?); and so no Feynman diagrams.

> [...]

> "Coherent Surface Plasmon Polariton Amplification via Free Electron Pumping" (2022) https://doi.org/10.21203/rs.3.rs-1572967/v1

From https://news.ycombinator.com/item?id=30782678 :

> - [ ] Maybe Twistor theory has insight into a classical geometrical formulation that could be run on a non-QC?

> Amplituhedron: https://en.wikipedia.org/wiki/Amplituhedron

Imaging of electrons and electron behavior: https://news.ycombinator.com/item?id=43186410 :

> "Optical widefield nuclear magnetic resonance microscopy" (2025) https://www.nature.com/articles/s41467-024-55003-5 ; phase and intensity for each pixel/voxel

/? electrons

- https://news.ycombinator.com/item?id=41765192

- https://news.ycombinator.com/item?id=42082690 ; electron hydrodynamics in graphene at room temperature

- https://news.ycombinator.com/item?id=41775612 ; Re: sonoluminesence, Earthquake light, piezoelectricity and quartz and gold and surface plasmon polaritons