期刊
LETTERS IN MATHEMATICAL PHYSICS
卷 59, 期 3, 页码 227-242出版社
KLUWER ACADEMIC PUBL
DOI: 10.1023/A:1015559117837
关键词
point interactions; PT-symmetric quantum mechanics
General point interactions for the second derivative operator in one dimension are studied. In particular, cal PT-self-adjoint point interactions with the support at the origin and at points +/-l are considered. The spectrum of such non-Hermitian operators is investigated and conditions when the spectrum is pure real are presented. The results are compared with those for standard self-adjoint point interactions.
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