Department of MathematicsDepartment of Physics2024-11-0920051050-294710.1103/PhysRevA.71.0461012-s2.0-26944442054https://hdl.handle.net/20.500.14288/2386The analysis of the paper by J.-L. Chen et al. [Phys. Rev. A 67, 012101 (2003)] suffers from a conceptual error. Its results contradict some well-established mathematical facts and are incorrect.pdfPhysicsOpticsLetterhttps://doi.org/10.1103/PhysRevA.71.046101228752700141Q1NOIR00627