Linearizing the time-dependent Schrödinger equation not possible without c?

In https://projecteuclid.org/download/pdf_1/euclid.cmp/1103840281 J.-M. Lévy-Leblond has shown that linearizing the (full, time-dependent) Schrödinger equation leads to a spinor equation. The...

10 October 2017 8,055 7 View