Is PT -symmetric quantum theory false as a fundamental theory?

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F16%3A00472846" target="_blank" >RIV/61389005:_____/16:00472846 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.14311/AP.2016.56.0254" target="_blank" >http://dx.doi.org/10.14311/AP.2016.56.0254</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.14311/AP.2016.56.0254" target="_blank" >10.14311/AP.2016.56.0254</a>

Result language
angličtina
Original language name
Is PT -symmetric quantum theory false as a fundamental theory?
Original language description
Yi-Chan Lee et al. claim (cf. Phys. Rev. Lett. 112, 130404 (2014)) that the "recent extension of quantum theory to non-Hermitian Hamiltonians" (which is widely known under the nickname of "PT -symmetric quantum theory") is "likely false as a fundamental theory". By their opinion their results “essentially kill any hope of PT -symmetric quantum theory as a fundamental theory of nature”. In our present text we explain that their toy-model-based considerations are misleading and that they do not imply any similar conclusions.
Czech name
—
Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10301 - Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)

Project
<a href="/en/project/GA16-22945S" target="_blank" >GA16-22945S: Quantum Wheeler-DeWitt equation and its unitary evolution interpretation</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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