2 papers
quant-ph2025
Are Hilbert Spaces Unphysical? Hardly, My Dear!
Nivaldo A. Lemos
It is widely accepted that the states of any quantum system are vectors in a Hilbert space. Not everyone agrees, however. The recent paper ``The unphysicality of Hilbert spaces'' b…
gr-qc2024
Free fall in modified symmetric teleparallel gravity
Nivaldo A. Lemos
The status of the equivalence principle in modified symmetric teleparallel gravity is examined. In this theory, minimum length geodesics are distinct from autoparallel geodesics, t…