Not correct! The Hilbert space for spin angular momentum has dimension 2 (-1, +1; left, right; up, down). The Hilbert space for orbital angular momentum has a denumerably infinite dimension (..., −3, 2, −1, 0, 1, 2,3 , …).
Not sure what you are arguing with so emphatically. DanielLC’s statement “Photons have spin 1.” implies spin, not orbital angular momentum, and the Hilbert space for photon spin is indeed 2D, as both you and I said.
Not correct! The Hilbert space for spin angular momentum has dimension 2 (-1, +1; left, right; up, down). The Hilbert space for orbital angular momentum has a denumerably infinite dimension (..., −3, 2, −1, 0, 1, 2,3 , …).
Not sure what you are arguing with so emphatically. DanielLC’s statement “Photons have spin 1.” implies spin, not orbital angular momentum, and the Hilbert space for photon spin is indeed 2D, as both you and I said.