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dc.contributor.authorLeith, Peter E. D.
dc.contributor.authorHooley, Chris A.
dc.contributor.authorHorne, Keith
dc.contributor.authorDritschel, David G.
dc.identifier.citationLeith , P E D , Hooley , C A , Horne , K & Dritschel , D G 2021 , ' Nonlinear effects in the excited states of many-fermion Einstein-Dirac solitons ' , Physical review. D, Particles, fields, gravitation, and cosmology , vol. 104 , no. 4 , 046024 .
dc.identifier.otherPURE: 275759396
dc.identifier.otherPURE UUID: 155f39e6-0e8f-4066-b46e-f6374bac34b3
dc.identifier.otherScopus: 85113794392
dc.identifier.otherORCID: /0000-0002-9976-2405/work/99804125
dc.identifier.otherORCID: /0000-0001-6489-3395/work/99804491
dc.identifier.otherWOS: 000688528900009
dc.descriptionFunding: P. E. D. L. acknowledges funding from a St Leonards scholarship from the University of St Andrews and from UKRI under EPSRC Grant No. EP/R513337/1.en
dc.description.abstractWe present an analysis of excited-state solutions for a gravitationally localized system consisting of a filled shell of high-angular-momentum fermions, using the Einstein-Dirac formalism introduced by Finster, Smoller, and Yau [Phys. Rev. D 59, 104020 (1999)]. We show that, even when the particle number is relatively low (Nf ≥ 6), the increased nonlinearity in the system causes a significant deviation in behavior from the two-fermion case. Excited-state solutions can no longer be uniquely identified by the value of their central redshift, with this multiplicity producing distortions in the characteristic spiraling forms of the mass-radius relations. We discuss the connection between this effect and the internal structure of solutions in the relativistic regime.
dc.relation.ispartofPhysical review. D, Particles, fields, gravitation, and cosmologyen
dc.rightsCopyright © 2021 American Physical Society. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the author created accepted manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at
dc.subjectQB Astronomyen
dc.subjectQC Physicsen
dc.titleNonlinear effects in the excited states of many-fermion Einstein-Dirac solitonsen
dc.typeJournal articleen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews.School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews.Centre for Designer Quantum Materialsen
dc.contributor.institutionUniversity of St Andrews.Centre for Higher Education Researchen
dc.contributor.institutionUniversity of St Andrews.Condensed Matter Physicsen
dc.contributor.institutionUniversity of St Andrews.St Andrews Centre for Exoplanet Scienceen
dc.contributor.institutionUniversity of St Andrews.Marine Alliance for Science & Technology Scotlanden
dc.contributor.institutionUniversity of St Andrews.Scottish Oceans Instituteen
dc.contributor.institutionUniversity of St Andrews.Applied Mathematicsen
dc.description.statusPeer revieweden

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