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Article: Quantum tricriticality of incommensurate phase induced by quantum strings in frustrated Ising magnetism
Title | Quantum tricriticality of incommensurate phase induced by quantum strings in frustrated Ising magnetism |
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Authors | |
Issue Date | 1-Mar-2023 |
Publisher | SciPost |
Citation | SciPost Physics, 2023, v. 14, n. 3, p. 1-16 How to Cite? |
Abstract | Incommensurability plays a critical role in many strongly correlated systems. In some cases, the origin of such exotic order can be theoretically understood in the framework of 1d line-like topological excitations known as "quantum strings". Here we study an extended transverse field Ising model on a triangular lattice. Using large-scale quantum Monte Carlo simulations, we find that the spatial anisotropy can stabilize an incommen-surate phase out of the commensurate clock order. Our results for the structure factor and the string density exhibit a linear relationship between incommensurate ordering wave vector and the density of quantum strings, which is reminiscent of hole density in under-doped cuprate superconductors. When introducing the next-nearest-neighbor in-teraction, we observe a quantum tricritical point out of the incommensurate phase. After carefully analyzing the ground state energies within different string topological sectors, we conclude that this tricriticality is non-trivially caused by effective long-range inter -string interactions with two competing terms following different decaying behaviors. |
Persistent Identifier | http://hdl.handle.net/10722/331500 |
ISSN | 2023 Impact Factor: 4.6 2023 SCImago Journal Rankings: 1.623 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Zhou, Z | - |
dc.contributor.author | Liu, CL | - |
dc.contributor.author | Liu, DX | - |
dc.contributor.author | Yan, Z | - |
dc.contributor.author | Chen, Y | - |
dc.contributor.author | Zhang, XF | - |
dc.date.accessioned | 2023-09-21T06:56:23Z | - |
dc.date.available | 2023-09-21T06:56:23Z | - |
dc.date.issued | 2023-03-01 | - |
dc.identifier.citation | SciPost Physics, 2023, v. 14, n. 3, p. 1-16 | - |
dc.identifier.issn | 2542-4653 | - |
dc.identifier.uri | http://hdl.handle.net/10722/331500 | - |
dc.description.abstract | Incommensurability plays a critical role in many strongly correlated systems. In some cases, the origin of such exotic order can be theoretically understood in the framework of 1d line-like topological excitations known as "quantum strings". Here we study an extended transverse field Ising model on a triangular lattice. Using large-scale quantum Monte Carlo simulations, we find that the spatial anisotropy can stabilize an incommen-surate phase out of the commensurate clock order. Our results for the structure factor and the string density exhibit a linear relationship between incommensurate ordering wave vector and the density of quantum strings, which is reminiscent of hole density in under-doped cuprate superconductors. When introducing the next-nearest-neighbor in-teraction, we observe a quantum tricritical point out of the incommensurate phase. After carefully analyzing the ground state energies within different string topological sectors, we conclude that this tricriticality is non-trivially caused by effective long-range inter -string interactions with two competing terms following different decaying behaviors. | - |
dc.language | eng | - |
dc.publisher | SciPost | - |
dc.relation.ispartof | SciPost Physics | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.title | Quantum tricriticality of incommensurate phase induced by quantum strings in frustrated Ising magnetism | - |
dc.type | Article | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.21468/SciPostPhys.14.3.037 | - |
dc.identifier.scopus | eid_2-s2.0-85152094430 | - |
dc.identifier.volume | 14 | - |
dc.identifier.issue | 3 | - |
dc.identifier.spage | 1 | - |
dc.identifier.epage | 16 | - |
dc.identifier.eissn | 2542-4653 | - |
dc.identifier.isi | WOS:000972113000015 | - |
dc.publisher.place | AMSTERDAM | - |
dc.identifier.issnl | 2542-4653 | - |