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Comment on the article by Bender et al, J. Phys. A 35, L467 (2002) | C.R. Handy
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16 Aug 2002 | Subject: | Mathematical Physics; Functional Analysis; Spectral Theory | math-ph math.FA math.MP math.SP | Abstract: | The recent Letter by Bender, Berry, and Mandilara (2002, BBM) presents some interesting symmetry arguments which enable one to transform non-hermitian, PT invariant, (complex) polynomial potential hamiltonians, into secular equation representations with real coefficients. This achievement is claimed to ``demistify’’ why these systems can admit real and/or complex eigenenergies. Two approximations underly their arguments, and weaken the implied significance of their work. | Source: | arXiv, math-ph/0208021 | Services: | Forum | Review | PDF | Favorites |
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