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Article: Non-Kitaev spin liquids in Kitaev materials
Title | Non-Kitaev spin liquids in Kitaev materials |
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Authors | |
Keywords | Chlorine compounds Ground state Iridium compounds Ruthenium compounds Sodium compounds |
Issue Date | 2019 |
Publisher | American Physical Society. The Journal's web site is located at http://journals.aps.org/prb/ |
Citation | Physical Review B: covering condensed matter and materials physics, 2019, v. 99 n. 20, p. article no. 205119 How to Cite? |
Abstract | We point out that the Kitaev materials may not necessarily support Kitaev spin liquid. It is well known that having a Kitaev term in the spin interaction is not the sufficient condition for the Kitaev spin-liquid ground state. Many other spin liquids may be stabilized by the competing spin interactions of the systems. We thus explore the possibilities of non-Kitaev spin liquids in the honeycomb Kitaev materials. We carry out a systematic classification of gapped Z2 spin liquids using the Schwinger boson representation for the spin variables. The presence of strong spin-orbit coupling in the Kitaev materials brings new ingredients into the projective symmetry group classification of the non-Kitaev spin liquid. We predict the spectroscopic properties of these gapped non-Kitaev spin liquids. Moreover, among the gapped spin liquids that we discover, we identify the spin liquid whose spinon condensation leads to the zigzag magnetic order that was observed in Na2IrO3 and α-RuCl3. We further discuss the possibility of gapped Z2 spin liquid and the deconfined quantum criticality from the zigzag magnetic order to spin dimerization in pressurized α-RuCl3. © 2019 American Physical Society. |
Persistent Identifier | http://hdl.handle.net/10722/271265 |
ISSN | 2023 Impact Factor: 3.2 2023 SCImago Journal Rankings: 1.345 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Li, YD | - |
dc.contributor.author | Yang, X | - |
dc.contributor.author | Zhou, Y | - |
dc.contributor.author | Chen, G | - |
dc.date.accessioned | 2019-06-24T01:06:34Z | - |
dc.date.available | 2019-06-24T01:06:34Z | - |
dc.date.issued | 2019 | - |
dc.identifier.citation | Physical Review B: covering condensed matter and materials physics, 2019, v. 99 n. 20, p. article no. 205119 | - |
dc.identifier.issn | 2469-9950 | - |
dc.identifier.uri | http://hdl.handle.net/10722/271265 | - |
dc.description.abstract | We point out that the Kitaev materials may not necessarily support Kitaev spin liquid. It is well known that having a Kitaev term in the spin interaction is not the sufficient condition for the Kitaev spin-liquid ground state. Many other spin liquids may be stabilized by the competing spin interactions of the systems. We thus explore the possibilities of non-Kitaev spin liquids in the honeycomb Kitaev materials. We carry out a systematic classification of gapped Z2 spin liquids using the Schwinger boson representation for the spin variables. The presence of strong spin-orbit coupling in the Kitaev materials brings new ingredients into the projective symmetry group classification of the non-Kitaev spin liquid. We predict the spectroscopic properties of these gapped non-Kitaev spin liquids. Moreover, among the gapped spin liquids that we discover, we identify the spin liquid whose spinon condensation leads to the zigzag magnetic order that was observed in Na2IrO3 and α-RuCl3. We further discuss the possibility of gapped Z2 spin liquid and the deconfined quantum criticality from the zigzag magnetic order to spin dimerization in pressurized α-RuCl3. © 2019 American Physical Society. | - |
dc.language | eng | - |
dc.publisher | American Physical Society. The Journal's web site is located at http://journals.aps.org/prb/ | - |
dc.relation.ispartof | Physical Review B: covering condensed matter and materials physics | - |
dc.rights | Physical Review B: covering condensed matter and materials physics. Copyright © American Physical Society. | - |
dc.rights | Copyright [2019] by The American Physical Society. This article is available online at [http://dx.doi.org/10.1103/PhysRevB.99.205119]. | - |
dc.subject | Chlorine compounds | - |
dc.subject | Ground state | - |
dc.subject | Iridium compounds | - |
dc.subject | Ruthenium compounds | - |
dc.subject | Sodium compounds | - |
dc.title | Non-Kitaev spin liquids in Kitaev materials | - |
dc.type | Article | - |
dc.identifier.email | Chen, G: gangchen@hku.hk | - |
dc.identifier.authority | Chen, G=rp02491 | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1103/PhysRevB.99.205119 | - |
dc.identifier.scopus | eid_2-s2.0-85066408795 | - |
dc.identifier.hkuros | 298008 | - |
dc.identifier.volume | 99 | - |
dc.identifier.issue | 20 | - |
dc.identifier.spage | article no. 205119:1 | - |
dc.identifier.epage | 12 | - |
dc.identifier.isi | WOS:000467726600005 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 2469-9950 | - |