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Quantum phase transitions in the Kitaev-Heisenberg model on a single hexagon

2015
journal article
article
10.12693/APhysPolA.127.318
Journal
Acta Physica Polonica. A
Author
Gotfryd Dorota

Oleś Andrzej
Volume
127
Number
2
Title of volume
Proceedings of the European Conference Physics of Magnetism 2014 (PM'14) Poznań, Poland, June 23-27, 2014
Pages
318-320
ISSN
0587-4246
eISSN
1898-794X
Language
English
Journal language
English
Abstract in English

We present a detailed analysis of the Kitaev-Heisenberg model on a single hexagon. The energy spectra and spin-spin correlations obtained using exact diagonalisation indicate quantum phase transitions between antiferromagnetic and anisotropic spin correlations when the Kitaev interactions increase. In cluster mean-field approach frustrated nearest neighbor exchange stabilizes the stripe phase in between the Néel phase and frustrated one which evolves towards the Kitaev spin liquid.

Affiliation
Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego
Scopus© citations
2
dc.abstract.enWe present a detailed analysis of the Kitaev-Heisenberg model on a single hexagon. The energy spectra and spin-spin correlations obtained using exact diagonalisation indicate quantum phase transitions between antiferromagnetic and anisotropic spin correlations when the Kitaev interactions increase. In cluster mean-field approach frustrated nearest neighbor exchange stabilizes the stripe phase in between the Néel phase and frustrated one which evolves towards the Kitaev spin liquid.pl
dc.affiliationWydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiegopl
dc.contributor.authorGotfryd, Dorotapl
dc.contributor.authorOleś, Andrzej - 100024 pl
dc.date.accessioned2015-07-17T18:17:04Z
dc.date.available2015-07-17T18:17:04Z
dc.date.issued2015pl
dc.date.openaccess0
dc.description.accesstimew momencie opublikowania
dc.description.admin[AB] Gotfryd, Dorota 50000139
dc.description.number2pl
dc.description.physical318-320pl
dc.description.versionostateczna wersja wydawcy
dc.description.volume127pl
dc.identifier.doi10.12693/APhysPolA.127.318pl
dc.identifier.eissn1898-794Xpl
dc.identifier.issn0587-4246pl
dc.identifier.projectROD UJ / Ppl
dc.identifier.urihttp://ruj.uj.edu.pl/xmlui/handle/item/13296
dc.languageengpl
dc.language.containerengpl
dc.rightsUdzielam licencji. Uznanie autorstwa - Użycie niekomercyjne - Bez utworów zależnych 4.0 Międzynarodowa*
dc.rights.licenceInna otwarta licencja
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.pl*
dc.share.typeotwarte czasopismo
dc.subtypeArticlepl
dc.titleQuantum phase transitions in the Kitaev-Heisenberg model on a single hexagonpl
dc.title.journalActa Physica Polonica. Apl
dc.title.volumeProceedings of the European Conference Physics of Magnetism 2014 (PM'14) Poznań, Poland, June 23-27, 2014pl
dc.typeJournalArticlepl
dspace.entity.typePublication
dc.abstract.enpl
We present a detailed analysis of the Kitaev-Heisenberg model on a single hexagon. The energy spectra and spin-spin correlations obtained using exact diagonalisation indicate quantum phase transitions between antiferromagnetic and anisotropic spin correlations when the Kitaev interactions increase. In cluster mean-field approach frustrated nearest neighbor exchange stabilizes the stripe phase in between the Néel phase and frustrated one which evolves towards the Kitaev spin liquid.
dc.affiliationpl
Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego
dc.contributor.authorpl
Gotfryd, Dorota
dc.contributor.authorpl
Oleś, Andrzej - 100024
dc.date.accessioned
2015-07-17T18:17:04Z
dc.date.available
2015-07-17T18:17:04Z
dc.date.issuedpl
2015
dc.date.openaccess
0
dc.description.accesstime
w momencie opublikowania
dc.description.admin
[AB] Gotfryd, Dorota 50000139
dc.description.numberpl
2
dc.description.physicalpl
318-320
dc.description.version
ostateczna wersja wydawcy
dc.description.volumepl
127
dc.identifier.doipl
10.12693/APhysPolA.127.318
dc.identifier.eissnpl
1898-794X
dc.identifier.issnpl
0587-4246
dc.identifier.projectpl
ROD UJ / P
dc.identifier.uri
http://ruj.uj.edu.pl/xmlui/handle/item/13296
dc.languagepl
eng
dc.language.containerpl
eng
dc.rights*
Udzielam licencji. Uznanie autorstwa - Użycie niekomercyjne - Bez utworów zależnych 4.0 Międzynarodowa
dc.rights.licence
Inna otwarta licencja
dc.rights.uri*
http://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.pl
dc.share.type
otwarte czasopismo
dc.subtypepl
Article
dc.titlepl
Quantum phase transitions in the Kitaev-Heisenberg model on a single hexagon
dc.title.journalpl
Acta Physica Polonica. A
dc.title.volumepl
Proceedings of the European Conference Physics of Magnetism 2014 (PM'14) Poznań, Poland, June 23-27, 2014
dc.typepl
JournalArticle
dspace.entity.type
Publication
Affiliations
Wydział Fizyki, Astronomii i Informatyki Stosowanej
Oleś, Andrzej
No affiliation
Gotfryd, Dorota

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