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Ferromagnetic phases in the Kondo lattice model
KTH, Superseded Departments, Physics.ORCID iD: 0000-0002-2076-5911
2002 (English)In: Philosophical magazine. B. Physics of condensed matter. Electronic, optical and magnetic properties, ISSN 0141-8637, Vol. 82, no 11, 1211-1224 p.Article in journal (Refereed) Published
Abstract [en]

Using an SO (4) invariant density-matrix renormalization group algorithm a sufficient numerical accuracy is achieved to demonstrate new ferromagnetic phase regions inside the paramagnetic area of the one- dimensional antiferromagnetic Kondo lattice model phase diagram. Spin- spin correlation functions, energy gap, number of singlets and other physical properties are investigated in detail. Direct measurements of the magnetization reveal continuous paramagnetic- ferromagnetic phase transitions.

Place, publisher, year, edition, pages
2002. Vol. 82, no 11, 1211-1224 p.
Keyword [en]
quantum renormalization-groups, diagram, spin
Identifiers
URN: urn:nbn:se:kth:diva-21757DOI: 10.1080/13642810210131809ISI: 000177060600001OAI: oai:DiVA.org:kth-21757DiVA: diva2:340455
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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Rosengren, Anders

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