IRTUM – Institutional Repository of the Technical University of Moldova

Browsing Articole din publicaţii internaţionale by Subject "impurity electrons"

Browsing Articole din publicaţii internaţionale by Subject "impurity electrons"

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  • Diagrammatic approach for Impurity Anderson Model 
    MOSKALENKO, V. A.; DOHOTARU, L. A.; ENTEL, P.; DIGOR, D. F. (Institutul de Fizică Aplicată, AŞM, 2006)
    Impurity Anderson Model is the model for a system of conduction electrons that interact with a local spin as just another electrons in f – orbitals. The Hamiltonian of the system contains hybridization interaction between ...
  • Dynamics of the phonon clouds for Anderson-Holstein model 
    MOSCALENCO, V. A.; DOHOTARU, L. A.; DIGOR, D. F.; CEBOTARI, I. D. (Academia de Ştiinţe a Moldovei, 2014)
    We have formulated the system of Dyson-type equations which determines the relation between the full propagators of impurity electrons and their correlation functions. We have also found the system of Dyson equations for ...
  • A novel diagrammatic technique for the single-site Anderson model 
    MOSKALENKO, V. A.; ENTEL, P.; DIGOR, D. F.; DOHOTARU, L. A.; CITRO, R. (Cornel Univesity, 2007)
    A diagrammatic theory around the atomic limit is proposed for the single-impurity Anderson model in which the strongly correlated impurity electrons hybridize with free (uncorrelated) conduction electrons. Using this ...
  • Single-site Anderson Model. I Diagrammatic theory 
    MOSKALENKO, V. A.; ENTEL, P.; DIGOR, D. F.; DOHOTARU, L. A.; CITRO, R. (Cornell Univesity, 2007)
    The diagrammatic theory is proposed for the strongly correlated impurity Anderson model. The strongly correlated impurity electrons are hybridized with free conduction electrons. For this system the new diagrammatic approach ...
  • Single-site Anderson model. II Perturbation theory of symmetric model 
    MOSKALENKO, V. A.; ENTEL, P.; DIGOR, D. F.; DOHOTARU, L. A.; CITRO, R. (Cornell Univesity, 2007)
    The strong electron correlations caused by Coulomb interaction of impurity electrons are taken into account. The infinite series of diagrams containing irreducible Green’s functions are summed. For symmetric Anderson model ...

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