منابع مشابه
5 Is the CPT - norm always positive ?
We give an explicit example of an exactly solvable PT -symmetric Hamiltonian with the unbroken PT symmetry which has one eigenfunction with the zero PT -norm. The set of its eigenfunctions is not complete in corresponding Hilbert space and it is non-diagonalizable. In the case of a regular Sturm-Liouville problem any diagonalizable PT -symmetric Hamiltonian with the unbroken PT symmetry has a c...
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ژورنال
عنوان ژورنال: Journal of Physics A: Mathematical and General
سال: 2005
ISSN: 0305-4470,1361-6447
DOI: 10.1088/0305-4470/38/15/l02