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Superconductivity phenomenon induced by external in-plane magnetic field in (2+1)-dimensional Gross-Neveu type modelстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 2 июня 2014 г.
- Авторы: Klimenko K.G., Zhokhov R.N., Zhukovsky V.Ch
- Журнал: Modern Physics Letters A
- Том: 28
- Год издания: 2013
- Издательство: World Scientific Publishing Co
- Местоположение издательства: Singapore
- Первая страница: 1350096
- Последняя страница: 1350114
- DOI: 10.1142/S021773231350096X
- Аннотация: Phase structure of the (2 + 1)-dimensional model with four-fermion interaction of spin-½ quasiparticles (electrons) both in the fermion–antifermion (or chiral) and fermion–fermion (or superconducting) channels is considered at nonzero chemical potential μ and under the influence of an in-plane, i.e. parallel to a system sheet, external magnetic field B‖. It is shown that at sufficiently large values of μ and/or B‖ the Cooper pairing (or superconducting) phase appears in the system at arbitrary relation between coupling constants, provided that there is an (arbitrary small) attractive interaction in the superconducting channel. In particular, at sufficiently weak attractive interaction in the chiral channel, the Cooper pairing occurs even at infinitesimal values of μ and/or B‖. The superconducting phase of the model is always a paramagnetic one.
- Добавил в систему: Жуковский Владимир Чеславович