Computing the magnetic field response of the proton

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dc.contributor.authorBignell, R.
dc.contributor.authorKamleh, W.
dc.contributor.authorLeinweber, D.
dc.contributor.conference24th International Conference on Computing in High Energy and Nuclear Physics (CHEP) (4 Nov 2019 - 8 Nov 2019 : Adelaide, Australia)
dc.contributor.editorDoglioni, C.
dc.contributor.editorKim, D.
dc.contributor.editorStewart, G.A.
dc.contributor.editorSilvestris, L.
dc.contributor.editorJackson, P.
dc.contributor.editorKamleh, W.
dc.date.issued2020
dc.description.abstractBackground field methods offer an approach through which fundamental non-perturbative hadronic properties can be studied. Lattice QCD is the only <jats:italic>ab initio</jats:italic> method with which Quantum Chromodynamics can be studied at low energies; it involves numerically calculating expectation values in the path integral formalism. This requires substantial investment in high performance supercomputing resources. A particular challenge of lattice QCD is isolating the desired state, rather than a superposition of excited states. While extensive work has been performed which allows the ground state to be identified in lattice QCD calculations, this remains a challenging proposition for the ground state in the presence of a uniform magnetic field field. Quark level projection operators are introduced to resolve this challenge and thus allow for extraction of the magnetic polarisability.
dc.description.statementofresponsibilityRyan Bignell, Waseem Kamleh and Derek Leinweber
dc.identifier.citationEPJ Web of Conferences, 2020 / Doglioni, C., Kim, D., Stewart, G.A., Silvestris, L., Jackson, P., Kamleh, W. (ed./s), vol.245, pp.06033-1-06033-9
dc.identifier.doi10.1051/epjconf/202024506033
dc.identifier.issn2100-014X
dc.identifier.issn2100-014X
dc.identifier.orcidBignell, R. [0000-0001-8401-1345]
dc.identifier.orcidKamleh, W. [0000-0002-6177-5366]
dc.identifier.orcidLeinweber, D. [0000-0002-4745-6027]
dc.identifier.urihttp://hdl.handle.net/2440/131537
dc.language.isoen
dc.publisherEDP Sciences
dc.publisher.placeonline
dc.relation.granthttp://purl.org/au-research/grants/arc/LE190100021
dc.relation.granthttp://purl.org/au-research/grants/arc/LE160100051
dc.relation.granthttp://purl.org/au-research/grants/arc/DP140103067
dc.relation.granthttp://purl.org/au-research/grants/arc/DP150103164
dc.relation.granthttp://purl.org/au-research/grants/arc/DP190102215
dc.relation.granthttp://purl.org/au-research/grants/arc/DP190100297
dc.relation.ispartofseriesEPJ Web of Conferences; 245
dc.rights© The Authors, published by EDP Sciences, 2020. This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
dc.source.urihttps://www.epj-conferences.org/articles/epjconf/abs/2020/21/contents/contents.html
dc.titleComputing the magnetic field response of the proton
dc.typeConference paper
pubs.publication-statusPublished

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