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- Publisher Website: 10.1103/PhysRevLett.115.037202
- Scopus: eid_2-s2.0-84937926637
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Article: Coulomb Liquid Phases of Bosonic Cluster Mott Insulators on a Pyrochlore Lattice
Title | Coulomb Liquid Phases of Bosonic Cluster Mott Insulators on a Pyrochlore Lattice |
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Authors | |
Issue Date | 2015 |
Publisher | American Physical Society. The Journal's web site is located at http://journals.aps.org/prl/ |
Citation | Physical Review Letters, 2015, v. 115 n. 3, article no. 037202 How to Cite? |
Abstract | © 2015 American Physical Society. © 2015 American Physical Society. Employing large-scale quantum Monte Carlo simulations, we reveal the full phase diagram of the extended Hubbard model of hard-core bosons on the pyrochlore lattice with partial fillings. When the intersite repulsion is dominant, the system is in a cluster Mott insulator phase with an integer number of bosons localized inside the tetrahedral units of the pyrochlore lattice. We show that the full phase diagram contains three cluster Mott insulator phases with 1/4, 1/2, and 3/4 boson fillings, respectively. We further demonstrate that all three cluster Mott insulators are Coulomb liquid phases and its low-energy property is described by the emergent compact U(1) quantum electrodynamics. In addition to measuring the specific heat and entropy of the cluster Mott insulators, we investigate the correlation function of the emergent electric field and verify it is consistent with the compact U(1) quantum electrodynamics description. Our result sheds light on the magnetic properties of various pyrochlore systems, as well as the charge physics of the cluster magnets. |
Persistent Identifier | http://hdl.handle.net/10722/266130 |
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 | Lv, Jian Ping | - |
dc.contributor.author | Chen, Gang | - |
dc.contributor.author | Deng, Youjin | - |
dc.contributor.author | Meng, Zi Yang | - |
dc.date.accessioned | 2018-12-27T01:58:56Z | - |
dc.date.available | 2018-12-27T01:58:56Z | - |
dc.date.issued | 2015 | - |
dc.identifier.citation | Physical Review Letters, 2015, v. 115 n. 3, article no. 037202 | - |
dc.identifier.issn | 0031-9007 | - |
dc.identifier.uri | http://hdl.handle.net/10722/266130 | - |
dc.description.abstract | © 2015 American Physical Society. © 2015 American Physical Society. Employing large-scale quantum Monte Carlo simulations, we reveal the full phase diagram of the extended Hubbard model of hard-core bosons on the pyrochlore lattice with partial fillings. When the intersite repulsion is dominant, the system is in a cluster Mott insulator phase with an integer number of bosons localized inside the tetrahedral units of the pyrochlore lattice. We show that the full phase diagram contains three cluster Mott insulator phases with 1/4, 1/2, and 3/4 boson fillings, respectively. We further demonstrate that all three cluster Mott insulators are Coulomb liquid phases and its low-energy property is described by the emergent compact U(1) quantum electrodynamics. In addition to measuring the specific heat and entropy of the cluster Mott insulators, we investigate the correlation function of the emergent electric field and verify it is consistent with the compact U(1) quantum electrodynamics description. Our result sheds light on the magnetic properties of various pyrochlore systems, as well as the charge physics of the cluster magnets. | - |
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 | Coulomb Liquid Phases of Bosonic Cluster Mott Insulators on a Pyrochlore Lattice | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1103/PhysRevLett.115.037202 | - |
dc.identifier.scopus | eid_2-s2.0-84937926637 | - |
dc.identifier.volume | 115 | - |
dc.identifier.issue | 3 | - |
dc.identifier.spage | article no. 037202 | - |
dc.identifier.epage | article no. 037202 | - |
dc.identifier.eissn | 1079-7114 | - |
dc.identifier.isi | WOS:000357864800022 | - |
dc.identifier.issnl | 0031-9007 | - |