Characterizing the Lipkin-Meshkov-Glick excited-state spectrum through the quantum coherence spectrum

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dc.contributor.authorWang, Qian
dc.contributor.authorKhalouf-Rivera, Jamil
dc.contributor.authorPérez Bernal, Francisco
dc.date.accessioned2025-03-17T12:19:59Z
dc.date.available2025-03-17T12:19:59Z
dc.date.issued2025-03
dc.description.abstractExcited-state quantum phase transitions extend the quantum phase transition concept beyond the ground state and offer insights into the complex behavior of quantum systems. In the present work we assess the use of the multiple quantum coherence spectrum as a valid tool to probe excited-state quantum phase transitions within the framework of the Lipkin-Meshkov-Glick model. The time dependence and the long-time average of the multiple quantum coherence spectrum reveal the intricate dynamics that stems from the existence of singularities in the excited-state spectrum of a quantum many-body systemes_ES
dc.description.departmentCiencias Integradases_ES
dc.description.sponsorshipQ.W. acknowledges support from the Slovenian Research and Innovation Agency under Grants No. J1-4387 and No. P1-0306, National Science Foundation of China under Grant No. 11805165, and Zhejiang Provincial Nature Science Foundation under Grant No. LY20A050001. This project has also received funding from Grant No. PID2022-136228NBC21 funded by MICIU/AEI/10.13039/501100011033 and, as appropriate, by ERDF, A way of making Europe, by ERDF/EU, by the European Union or by the European Union NextGenerationEU/PRTR, and by the FEDER-UHU project POSH-AI, Project No. EPIT1462023. J.K.-R. also acknowledges support from a Spanish Ministerio de Universidades Margarita Salas Fellowship. Computing resources supporting this work were partly provided by the CEAFMC and Universidad de Huelva High Performance Computer located at the Campus Universitario el Carmen and funded by FEDER/MINECO Project No. UNHU-15CE-2848es_ES
dc.identifier.citationWang, Q., Khalouf-Rivera, J., & Pérez-Bernal, F. (2025). Characterizing the Lipkin-Meshkov-Glick excited-state spectrum through the quantum coherence spectrum. In Physical Review A (Vol. 111, Issue 3). American Physical Society (APS). https://doi.org/10.1103/physreva.111.03es_ES
dc.identifier.doi10.1103/physreva.111.03
dc.identifier.issn2469-9926
dc.identifier.issn2469-9934 (electrónico)
dc.identifier.urihttps://hdl.handle.net/10272/25198
dc.language.isoenges_ES
dc.publisherAmerican Physical Societyes_ES
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.rights.accessRightsopen accesses_ES
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subject.unesco22 Físicaes_ES
dc.titleCharacterizing the Lipkin-Meshkov-Glick excited-state spectrum through the quantum coherence spectrumes_ES
dc.typejournal articlees_ES
dc.type.hasVersionVoRes_ES
dspace.entity.typePublication
relation.isAuthorOfPublicationf24b24cf-9c6b-41e6-848d-2089dfbc0a00
relation.isAuthorOfPublication.latestForDiscoveryf24b24cf-9c6b-41e6-848d-2089dfbc0a00

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