Quantum phase transitions in a generalized compass chain with three-site interactions

2016
journal article
article
cris.lastimport.wos2024-04-09T22:08:11Z
dc.abstract.enWe consider a class of one-dimensional compass models with an XYZ-YZX type of three-site exchange interaction in an external magnetic field. We present the exact solution derived by means of Jordan-Wigner transformation, and study the excitation gap, spin correlations, and establish the phase diagram. Besides the canted antiferromagnetic and polarized phases, the three-site interactions induce two distinct chiral phases, corresponding to gapless spinless-fermion systems having two or four Fermi points. We find that the z component of the scalar chirality operator can act as an order parameter for these chiral phases. We also find that the thermodynamic quantities including the Wilson ratio can characterize the liquid phases. Finally, a nontrivial magnetoelectric effect is explored, and we show that the polarization can be manipulated by the magnetic field in the absence of electric field.pl
dc.affiliationWydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiegopl
dc.contributor.authorYou, Wen-Longpl
dc.contributor.authorQiu, Yu-Chengpl
dc.contributor.authorOleś, Andrzej - 100024 pl
dc.date.accessioned2016-12-21T12:44:38Z
dc.date.available2016-12-21T12:44:38Z
dc.date.issued2016pl
dc.description.number21pl
dc.description.volume93pl
dc.identifier.articleid214417pl
dc.identifier.doi10.1103/PhysRevB.93.214417pl
dc.identifier.eissn2469-9969pl
dc.identifier.issn2469-9950pl
dc.identifier.urihttp://ruj.uj.edu.pl/xmlui/handle/item/34415
dc.languageengpl
dc.language.containerengpl
dc.rightsDodaję tylko opis bibliograficzny*
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dc.subtypeArticlepl
dc.titleQuantum phase transitions in a generalized compass chain with three-site interactionspl
dc.title.journalPhysical Review. Bpl
dc.typeJournalArticlepl
dspace.entity.typePublication

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