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d-wave superconductivity and its coexistence with antiferromagnetism in the t–J–U model : statistically consistent Gutzwiller approach
We discuss the coexistence of antiferromagnetism and d-wave superconductivity within the so-called statistically consistent Gutzwiller approximation (SGA) applied to the t–J–U model. In this approach, the averages calculated in a self-consistent manner coincide with those determined variationally. Such consistency is not guaranteed within the standard renormalized mean-field theory. With the help of SGA, we show that for the typical value
| cris.lastimport.wos | 2024-04-09T22:27:16Z | |
| dc.abstract.en | We discuss the coexistence of antiferromagnetism and d-wave superconductivity within the so-called statistically consistent Gutzwiller approximation (SGA) applied to the t–J–U model. In this approach, the averages calculated in a self-consistent manner coincide with those determined variationally. Such consistency is not guaranteed within the standard renormalized mean-field theory. With the help of SGA, we show that for the typical value $J/\left | t \right |=\frac{1}{3}$, coexistence of antiferromagnetism (AF) and superconductivity (SC) appears only for $U/\left | t \right |> 10.6$ and in a very narrow range of doping $\left ( \delta _{\sim }^{<} 0.006 \right )$ in the vicinity of the Mott insulating state, in contrast to some previous reports. In the coexistent AF+SC phase, a staggered spin-triplet component of the superconducting gap appears also naturally; its value is very small. | pl |
| dc.affiliation | Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego | pl |
| dc.contributor.author | Abram, Marcin - 115219 | pl |
| dc.contributor.author | Kaczmarczyk, Jan - 113748 | pl |
| dc.contributor.author | Jędrak, Jakub | pl |
| dc.contributor.author | Spałek, Józef - 132018 | pl |
| dc.date.accessioned | 2015-06-26T09:05:48Z | |
| dc.date.available | 2015-06-26T09:05:48Z | |
| dc.date.issued | 2013 | pl |
| dc.description.admin | [AB] Kaczmarczyk, Jan [SAP13036534] 50000139 | |
| dc.description.number | 9 | pl |
| dc.description.publication | 1 | pl |
| dc.description.volume | 88 | pl |
| dc.identifier.articleid | 094502 | pl |
| dc.identifier.doi | 10.1103/PhysRevB.88.094502 | pl |
| dc.identifier.eissn | 1550-235X | pl |
| dc.identifier.eissn | 1538-4489 | pl |
| dc.identifier.issn | 1098-0121 | pl |
| dc.identifier.uri | http://ruj.uj.edu.pl/xmlui/handle/item/10447 | |
| dc.language | eng | pl |
| dc.language.container | eng | pl |
| dc.rights | Dodaję tylko opis bibliograficzny | * |
| dc.rights.licence | bez licencji | |
| dc.rights.uri | * | |
| dc.subtype | Article | pl |
| dc.title | d-wave superconductivity and its coexistence with antiferromagnetism in the t–J–U model : statistically consistent Gutzwiller approach | pl |
| dc.title.journal | Physical Review. B, Condensed Matter and Materials Physics | pl |
| dc.type | JournalArticle | pl |
| dspace.entity.type | Publication |