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- Publisher Website: 10.1103/PhysRevLett.112.167203
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Article: Quantum spin ices and topological phases from dipolar-octupolar doublets on the pyrochlore lattice
Title | Quantum spin ices and topological phases from dipolar-octupolar doublets on the pyrochlore lattice |
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Authors | |
Issue Date | 2014 |
Publisher | American Physical Society. The Journal's web site is located at http://journals.aps.org/prl/ |
Citation | Physical Review Letters, 2014, v. 112 n. 16, article no. 167203 How to Cite? |
Abstract | We consider a class of d- and f-electron systems in which dipolar-octupolar Kramers doublets arise on the sites of the pyrochlore lattice. For such doublets, two components of the pseudospin transform like a magnetic dipole, while the other transforms like a component of the magnetic octupole tensor. Based on a symmetry analysis, we construct and study models of dipolar-octupolar doublets in itinerant and localized limits. In both limits, the resulting models are of surprisingly simple form. In the itinerant limit, we find topological insulating behavior. In the localized limit, the most general nearest-neighbor spin model is the XYZ model. We show that this XYZ model exhibits two distinct quantum spin ice (QSI) phases, that we dub dipolar QSI, and octupolar QSI. We conclude with a discussion of potential relevance to real material systems. © 2014 American Physical Society. |
Persistent Identifier | http://hdl.handle.net/10722/266126 |
ISSN | 2023 Impact Factor: 8.1 2023 SCImago Journal Rankings: 3.040 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Huang, Yi Ping | - |
dc.contributor.author | Chen, Gang | - |
dc.contributor.author | Hermele, Michael | - |
dc.date.accessioned | 2018-12-27T01:58:55Z | - |
dc.date.available | 2018-12-27T01:58:55Z | - |
dc.date.issued | 2014 | - |
dc.identifier.citation | Physical Review Letters, 2014, v. 112 n. 16, article no. 167203 | - |
dc.identifier.issn | 0031-9007 | - |
dc.identifier.uri | http://hdl.handle.net/10722/266126 | - |
dc.description.abstract | We consider a class of d- and f-electron systems in which dipolar-octupolar Kramers doublets arise on the sites of the pyrochlore lattice. For such doublets, two components of the pseudospin transform like a magnetic dipole, while the other transforms like a component of the magnetic octupole tensor. Based on a symmetry analysis, we construct and study models of dipolar-octupolar doublets in itinerant and localized limits. In both limits, the resulting models are of surprisingly simple form. In the itinerant limit, we find topological insulating behavior. In the localized limit, the most general nearest-neighbor spin model is the XYZ model. We show that this XYZ model exhibits two distinct quantum spin ice (QSI) phases, that we dub dipolar QSI, and octupolar QSI. We conclude with a discussion of potential relevance to real material systems. © 2014 American Physical Society. | - |
dc.language | eng | - |
dc.publisher | American Physical Society. The Journal's web site is located at http://journals.aps.org/prl/ | - |
dc.relation.ispartof | Physical Review Letters | - |
dc.title | Quantum spin ices and topological phases from dipolar-octupolar doublets on the pyrochlore lattice | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1103/PhysRevLett.112.167203 | - |
dc.identifier.scopus | eid_2-s2.0-84899522052 | - |
dc.identifier.volume | 112 | - |
dc.identifier.issue | 16 | - |
dc.identifier.spage | article no. 167203 | - |
dc.identifier.epage | article no. 167203 | - |
dc.identifier.eissn | 1079-7114 | - |
dc.identifier.isi | WOS:000335866200016 | - |
dc.identifier.issnl | 0031-9007 | - |