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- Sutter, D.Univ Zurich, Phys Inst, Winterthurerstr 190, CH-8057 Zurich, Switzerland (author)
Orbitally selective breakdown of Fermi liquid quasiparticles in Ca1.8Sr0.2RuO4
- Article/chapterEnglish2019
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- AMER PHYSICAL SOC,2019
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- LIBRIS-ID:oai:DiVA.org:uu-382524
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-382524URI
- https://doi.org/10.1103/PhysRevB.99.121115DOI
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- Language:English
- Summary in:English
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- We present a comprehensive angle-resolved photoemission spectroscopy study of Ca1.8Sr0.2RuO4. Four distinct bands are revealed and along the Ru-O bond direction their orbital characters are identified through a light polarization analysis and comparison to dynamical mean-field theory calculations. Bands assigned to d(xz),d(yz) orbitals display Fermi liquid behavior with fourfold quasiparticle mass renormalization. Extremely heavy fermions-associated with a predominantly d(xy) band character-are shown to display non-Fermi-liquid behavior. We thus demonstrate that Ca1.8Sr0.2RuO4 is a hybrid metal with an orbitally selective Fermi liquid quasiparticle breakdown.
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- Kim, M.Coll France, F-75231 Paris 05, France;Univ Paris Saclay, Ctr Phys Theor, CNRS, Ecole Polytech, F-91128 Palaiseau, France (author)
- Matt, C. E.Univ Zurich, Phys Inst, Winterthurerstr 190, CH-8057 Zurich, Switzerland (author)
- Horio, M.Univ Zurich, Phys Inst, Winterthurerstr 190, CH-8057 Zurich, Switzerland (author)
- Fittipaldi, R.CNR SPIN, I-84084 Salerno, Italy;Univ Salerno, Dipartimento Fis ER Caianiello, I-84084 Salerno, Italy (author)
- Vecchione, A.CNR SPIN, I-84084 Salerno, Italy;Univ Salerno, Dipartimento Fis ER Caianiello, I-84084 Salerno, Italy (author)
- Granata, VCNR SPIN, I-84084 Salerno, Italy;Univ Salerno, Dipartimento Fis ER Caianiello, I-84084 Salerno, Italy (author)
- Hauser, K.Univ Zurich, Phys Inst, Winterthurerstr 190, CH-8057 Zurich, Switzerland (author)
- Sassa, YasmineUppsala universitet,Molekyl- och kondenserade materiens fysik(Swepub:uu)yassa981 (author)
- Gatti, G.Ecole Polytech Fed Lausanne, Inst Phys, CH-1015 Lausanne, Switzerland (author)
- Grioni, M.Ecole Polytech Fed Lausanne, Inst Phys, CH-1015 Lausanne, Switzerland (author)
- Hoesch, M.Diamond Light Source, Harwell Campus, Didcot OX11 0DE, Oxon, England (author)
- Kim, T. K.Diamond Light Source, Harwell Campus, Didcot OX11 0DE, Oxon, England (author)
- Rienks, E.Helmholtz Zentrum Berlin, Bessy 2, D-12489 Berlin, Germany (author)
- Plumb, N. C.Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland (author)
- Shi, M.Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland (author)
- Neupert, T.Univ Zurich, Phys Inst, Winterthurerstr 190, CH-8057 Zurich, Switzerland (author)
- Georges, A.Coll France, F-75231 Paris 05, France;Univ Paris Saclay, Ctr Phys Theor, CNRS, Ecole Polytech, F-91128 Palaiseau, France;Univ Geneva, Dept Quantum Matter Phys, CH-1211 Geneva 4, Switzerland;Flatiron Inst, Ctr Computat Quantum Phys, 162 5th Ave, New York, NY 10010 USA (author)
- Chang, J.Univ Zurich, Phys Inst, Winterthurerstr 190, CH-8057 Zurich, Switzerland (author)
- Univ Zurich, Phys Inst, Winterthurerstr 190, CH-8057 Zurich, SwitzerlandColl France, F-75231 Paris 05, France;Univ Paris Saclay, Ctr Phys Theor, CNRS, Ecole Polytech, F-91128 Palaiseau, France (creator_code:org_t)
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- In:Physical Review B: AMER PHYSICAL SOC99:122469-99502469-9969
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- Granata, V
- Hauser, K.
- Sassa, Yasmine
- Gatti, G.
- Grioni, M.
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