Abstract
A family of Hilbert spaces with a positive-definite inner product is constructed which interpolates analytically between the Fock spaces representing Fermi and Bose particles. It is shown that the physically unallowed subspaces in the two limiting cases correspond to the appearance of states of zero norm.
- Received 14 May 1990
DOI:https://doi.org/10.1103/PhysRevLett.65.3361
©1990 American Physical Society