Zhonghao Lu

Unbounded Operators, Physicality, and Modality in Quantum Theories

In this paper, I address the problem regarding the physicality of Hilbert space in quantum mechanics, a topic brought into focus by Carcassi et al.'s paper"The unphysicality of Hilbert spaces"recently. I argue for the physicality of the Hilbert space in quantum mechanics, and demonstrate that there are inevitable ambig...