Тип публикации: статья из журнала
Год издания: 2013
Идентификатор DOI: 10.1007/s10948-013-2144-1
Ключевые слова: Strong electron correlations, Fermi surface reconstruction, Concentration region, Doping dependence, Electronic instabilities, Phonon mechanism, Quantum phase transitions, Superconducting properties, Superconducting state, Calculations, Fermi surface, Superconductivity, Phase transitions
Аннотация: We consider the doping dependence of the normal and superconducting properties of La2Sr2-xCuO2 and YBa2Cu3O7 in the low energy effective model based on the ab initio LDA+GTB calculations. With doping we have found a concentration region with electronic instability of the uniform state. We have shown that two quantum phase transitions (QPT) of the Lifshitz type correspond well to the experimental phase diagram. For superconducting state we have considered both magnetic and phonon mechanisms of pairing.
Издание
Журнал: JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
Выпуск журнала: Vol. 26, Is. 8
Номера страниц: 2607-2609
ISSN журнала: 15571939
Место издания: NEW YORK
Издатель: SPRINGER
Персоны
- Ovchinnikov S.G. (Reshetnev Siberian State Aerospace University)
- Korshunov M.M. (Siberian Federal University)
- Makarov I.A. (Reshetnev Siberian State Aerospace University)
- Shneyder E.I. (Reshetnev Siberian State Aerospace University)
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