On the thermodynamic limit at a quantum critical point

dc.contributor.authorGeyer, H. B.en_ZA
dc.contributor.authorHeiss, W. D.en_ZA
dc.contributor.authorScholtz, F. G.en_ZA
dc.date.accessioned2011-05-15T15:55:14Z
dc.date.available2011-05-15T15:55:14Z
dc.date.issued2005
dc.descriptionCITATION: Geyer, H. B., Heiss, W. D. & Scholtz, F. G. 2005. On the thermodynamic limit at a quantum critical point. South African Journal of Science, 101(11-12): 536-537.
dc.descriptionThe original publication is available at https://journals.co.za
dc.description.abstractOpen questions regarding the uniqueness and existence of the thermodynamic limit at a quantum critical point are discussed in the context of the Lipkin model, a popular model in many-body theory. This model illustrates a quantum phase transition, including spontaneous symmetry breaking. The thermodynamic limit seemingly yields different answers depending on the approach used. The discussion is based on recent developments, including a joint publication by the authors.
dc.description.urihttps://journals.co.za/content/sajsci/101/11-12/EJC96320
dc.description.versionPublisher's version
dc.format.extent2 pages
dc.identifier.citationGeyer, H. B., Heiss, W. D. & Scholtz, F. G. 2005. On the thermodynamic limit at a quantum critical point. South African Journal of Science, 101(11-12): 536-537
dc.identifier.issn1996-7489 (online)
dc.identifier.issn0038-2353 (print)
dc.identifier.urihttp://hdl.handle.net/10019.1/9657
dc.language.isoen_ZAen_ZA
dc.publisherAcademy of Science for South Africa
dc.rights.holderAcademy of Science for South Africa
dc.subjectQuantum theory
dc.subjectEnergy levels (Quantum mechanics)
dc.titleOn the thermodynamic limit at a quantum critical pointen_ZA
dc.typeArticle
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