Quantum spin dynamics of quasi-one-dimensional Heisenberg-Ising magnets in a transverse field: confined spinons, E8 spectrum, and quantum phase transitions

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dc.contributor.authorAmelin, Kirill
dc.contributor.authorViirok, Johan
dc.contributor.authorNagel, Urmas
dc.contributor.authorRõõm, Toomas
dc.contributor.authorEngelmayer, Johannes
dc.contributor.authorDey, Tusharkanti
dc.contributor.authorAgung Nugroho, Agustinus
dc.contributor.authorLorenz, Thomas
dc.contributor.authorWang, Zhe
dc.date.accessioned2023-02-17T13:25:13Z
dc.date.available2023-02-17T13:25:13Z
dc.date.issued2022-12-07
dc.description.abstractWe report on high-resolution terahertz spectroscopic studies of quantum spin dynamics in the quasi-one-dimensional Ising-like ferromagnet CoNb2O6 and antiferromagnet BaCo2V2O8 as a function of an applied transverse magnetic field. In the ordered phases stabilized by inter-chain couplings, we reveal characteristics for confined spinon excitations, E8 dynamical spectrum, and field-induced quantum phase transitions. The connections between these characteristic dynamical features are found in the field-dependent evolution of the excitation spectra.en
dc.identifier.urihttp://hdl.handle.net/2003/41252
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-23093
dc.language.isoende
dc.relation.ispartofseriesJ. Phys. A: Math. Theor.;55(48)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectConfined spinonsen
dc.subjectHeisenberg-Ising spin chainen
dc.subjectTransverse-field Ising-chain quantum critical pointen
dc.subjectE8 dynamical spectrumen
dc.subjectQuantum phase transitionen
dc.subjectQuantum spin dynamicsen
dc.subject.ddc530
dc.titleQuantum spin dynamics of quasi-one-dimensional Heisenberg-Ising magnets in a transverse field: confined spinons, E8 spectrum, and quantum phase transitionsen
dc.typeTextde
dc.type.publicationtypearticlede
dcterms.accessRightsopen access
eldorado.openaire.projectidentifierinfo:eu-repo/grantAgreement/EC/H2020/950560/EU/Nonequilibrium Terahertz Dynamics of Interacting Quantum Spins: from Novel Driven States towards Coherent Controls/DynaQuanta
eldorado.secondarypublicationtruede
eldorado.secondarypublication.primarycitationKirill Amelin et al 2022 J. Phys. A: Math. Theor. 55 484005de
eldorado.secondarypublication.primaryidentifierDOI 10.1088/1751-8121/aca6b8de

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