Non-Hermitian coupled cluster method for non-stationary systems and its interaction-picture reinterpretation
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62690094%3A18470%2F20%3A50016876" target="_blank" >RIV/62690094:18470/20:50016876 - isvavai.cz</a>
Alternative codes found
RIV/61389005:_____/20:00524448
Result on the web
<a href="https://link.springer.com/content/pdf/10.1140/epjp/s13360-020-00374-z.pdf" target="_blank" >https://link.springer.com/content/pdf/10.1140/epjp/s13360-020-00374-z.pdf</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1140/epjp/s13360-020-00374-z" target="_blank" >10.1140/epjp/s13360-020-00374-z</a>
Alternative languages
Result language
angličtina
Original language name
Non-Hermitian coupled cluster method for non-stationary systems and its interaction-picture reinterpretation
Original language description
The interaction picture in a non-Hermitian realization is discussed in detail and considered for its practical use in many-body quantum physics. The resulting non-Hermitian interaction-picture (NHIP) description of dynamics, in which both the wave functions and operators belonging to physical observables cease to remain constant in time, is a non-Hermitian generalization of the traditional Dirac picture of standard quantum mechanics, which itself is widely used in quantum field theory calculations. Particular attention is paid here to the variational (or, better, bivariational) and dynamical (i.e., non-stationary) aspects that are characteristic of the coupled cluster method (CCM) techniques that nowadays form one of the most versatile and most accurate of all available formulations of quantum many-body theory. In so doing we expose and exploit multiple parallels between the NHIP and the CCM in its time-dependent versions.
Czech name
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Czech description
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Classification
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)
Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
The European physical journal plus
ISSN
2190-5444
e-ISSN
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Volume of the periodical
135
Issue of the periodical within the volume
4
Country of publishing house
DE - GERMANY
Number of pages
35
Pages from-to
"Article number: 374"
UT code for WoS article
000530492700003
EID of the result in the Scopus database
2-s2.0-85083983130