Confluences of exceptional points and a systematic classification of quantum catastrophes

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F22%3A00555818" target="_blank" >RIV/61389005:_____/22:00555818 - isvavai.cz</a>
Alternative codes found
RIV/62690094:18470/22:50020137
Result on the web
<a href="https://doi.org/10.1038/s41598-022-07345-7" target="_blank" >https://doi.org/10.1038/s41598-022-07345-7</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1038/s41598-022-07345-7" target="_blank" >10.1038/s41598-022-07345-7</a>

Result language
angličtina
Original language name
Confluences of exceptional points and a systematic classification of quantum catastrophes
Original language description
In the problem of classification of the parameter-controlled quantum phase transitions, attention is turned from the conventional manipulations with the energy-level mergers at exceptional points to the control of mergers of the exceptional points themselves. What is obtained is an exhaustive classification which characterizes every phase transition by the algebraic and geometric multiplicity of the underlying confluent exceptional point. Typical qualitative characteristics of non-equivalent phase transitions are illustrated via a few elementary toy models.
Czech name
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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
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OECD FORD branch
10301 - Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)

Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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