westurner 5 hours ago

How do the temporal symmetries cited in this article [1] compare to the time reflections observed in a metamaterial in [2], other models of retrocausality (faster than c causal relations), and time-polarized photons in Minkowski 4-space?

1. "Three-Dimensional Time: A Mathematical Framework for Fundamental Physics" (2025) https://www.worldscientific.com/doi/10.1142/S242494242550004...

2. "Observation of temporal reflection and broadband frequency translation at photonic time interfaces" (2023) https://www.nature.com/articles/s41567-023-01975-y