About: Unified character of correlation effects in unconventional Pu-based superconductors and δ-Pu

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Electronic structure calculations combining the local-density approximation with an exact diagonalization of the Anderson impurity model show an intermediate 5f5-5f6-valence ground state and delocalization of the 5f5 multiplet of the Pu atom 5f shell in PuCoIn5, PuCoGa5, and δ-Pu. The 5f local magnetic moment is compensated by a moment formed in the surrounding cloud of conduction electrons. For PuCoGa5 and δ-Pu the compensation is complete, and the Anderson impurity ground state is a singlet. For PuCoIn5 the compensation is partial, and the Pu ground state is magnetic. We suggest that the unconventional d-wave superconductivity is likely mediated by the 5f-state antiferromagnetic fluctuations in PuCoIn5 and by valence fluctuations in PuCoGa5. Electronic structure calculations combining the local-density approximation with an exact diagonalization of the Anderson impurity model show an intermediate 5f5-5f6-valence ground state and delocalization of the 5f5 multiplet of the Pu atom 5f shell in PuCoIn5, PuCoGa5, and δ-Pu. The 5f local magnetic moment is compensated by a moment formed in the surrounding cloud of conduction electrons. For PuCoGa5 and δ-Pu the compensation is complete, and the Anderson impurity ground state is a singlet. For PuCoIn5 the compensation is partial, and the Pu ground state is magnetic. We suggest that the unconventional d-wave superconductivity is likely mediated by the 5f-state antiferromagnetic fluctuations in PuCoIn5 and by valence fluctuations in PuCoGa5. (en)
Title	Unified character of correlation effects in unconventional Pu-based superconductors and δ-Pu Unified character of correlation effects in unconventional Pu-based superconductors and δ-Pu (en)
skos:prefLabel	Unified character of correlation effects in unconventional Pu-based superconductors and δ-Pu Unified character of correlation effects in unconventional Pu-based superconductors and δ-Pu (en)
skos:notation	RIV/68378271:_____/13:00397088!RIV14-GA0-68378271
http://linked.open...avai/predkladatel	Fyzikální ústav AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP204/10/0330), P(IAA100100912)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Kolorenč, Jindřich Shick, Alexander Rusz, Ján
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	112599
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/13:00397088
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	superconductivity; magnetism; plutonium (en)
http://linked.open.../riv/klicoveSlovo	superconductivity magnetism plutonium
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[D70D804310EA]
http://linked.open...i/riv/nazevZdroje	Physical Review. B
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Nanostructured actinide-based materials: Theory and experiment Magnetic anisotropy of nano-interfaces
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	87
http://linked.open...iv/tvurceVysledku	Kolorenč, Jindřich Oppeneer, P. M. Shick, Alexander Caciuffo, R. Lichtenstein, A. I. Rusz, Ján Katsnelson, M. I.
http://linked.open...ain/vavai/riv/wos	000313423900002
issn	1098-0121
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevB.87.020505

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