Simon, Pascal and Loss, Daniel. (2007) Nuclear spin ferromagnetic phase transition in an interacting two dimensional electron gas. Physical review letters, 98 (15). p. 156401.
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Official URL: http://edoc.unibas.ch/dok/A5254628
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Abstract
Electrons in a two-dimensional semiconducting heterostructure interact with nuclear spins via the hyperfine interaction. Using a a Kondo lattice formulation of the electron-nuclear-spin interaction, we show that the nuclear-spin system within an interacting two-dimensional electron gas undergoes a ferromagnetic phase transition at finite temperatures. We find that electron-electron interactions and non-Fermi liquid behavior substantially enhance the nuclear-spin Curie temperature into the mK range with decreasing electron density.
Faculties and Departments: | 05 Faculty of Science > Departement Physik > Physik > Theoretische Physik Mesoscopics (Loss) |
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UniBasel Contributors: | Loss, Daniel |
Item Type: | Article, refereed |
Article Subtype: | Research Article |
Publisher: | American Physical Society |
ISSN: | 0031-9007 |
Note: | Publication type according to Uni Basel Research Database: Journal article |
Identification Number: | |
Last Modified: | 04 Apr 2022 10:33 |
Deposited On: | 22 Mar 2012 13:53 |
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