Excitonic Magnetism in Strongly Correlated Materials

Project Information

EXMAG

Grant agreement ID: 646807

DOI 10.3030/646807

Project closed

EC signature date 4 May 2015

Start date 1 June 2015

End date 31 May 2020

Funded under

• EXCELLENT SCIENCE - European Research Council (ERC)

Total cost € 1 382 500,00

EU contribution € 1 382 500,00

Coordinated by

TECHNISCHE UNIVERSITAET WIEN
Austria

Publications

Peer reviewed articles (26)

Spontaneous Spin Textures in Multiorbital Mott Systems

Author(s): J. Kuneš, D. Geffroy
Published in: Physical Review Letters, Issue 116/25, 2016, Page(s) 256403, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/PhysRevLett.116.256403

Competing phases in a model of Pr-based cobaltites

Author(s): A. Sotnikov, J. Kuneš
Published in: Physical Review B, Issue 96/24, 2017, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/PhysRevB.96.245102

DFT+DMFT study on soft moment magnetism and covalent bonding in SrRu 2 O 6

Author(s): Atsushi Hariki, Andreas Hausoel, Giorgio Sangiovanni, Jan Kuneš
Published in: Physical Review B, Issue 96/15, 2017, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/PhysRevB.96.155135

Orbital magnetism of ultracold fermionic gases in a lattice: Dynamical mean-field approach

Author(s): Agnieszka Cichy, Andrii Sotnikov
Published in: Physical Review A, Issue 93/5, 2016, Page(s) 053624, ISSN 2469-9926
Publisher: American Physical Society
DOI: 10.1103/PhysRevA.93.053624

Field-induced exciton condensation in LaCoO3

Author(s): Andrii Sotnikov, Jan Kunes
Published in: Scientific Reports, Issue 6, 2016, Page(s) 30510, ISSN 2045-2322
Publisher: Nature Publishing Group
DOI: 10.1038/srep30510

Theoretical investigation of excitonic magnetism in LaSrCoO₄

Author(s): Juan Fernandez Afonso, Andrii Sotnikov, J Kunes
Published in: Journal of Physics: Condensed Matter, 2018, ISSN 0953-8984
Publisher: Institute of Physics Publishing
DOI: 10.1088/1361-648X/aab0bb

Excitonic magnet in external field: Complex order parameter and spin currents

Author(s): D. Geffroy, A. Hariki, J. Kuneš
Published in: Physical Review B, Issue 97/15, 2018, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/PhysRevB.97.155114

Excitonic dispersion of the intermediate spin state in LaCoO 3 revealed by resonant inelastic x-ray scattering

Author(s): Ru-Pan Wang, Atsushi Hariki, Andrii Sotnikov, Federica Frati, Jun Okamoto, Hsiao-Yu Huang, Amol Singh, Di-Jing Huang, Keisuke Tomiyasu, Chao-Hung Du, Jan Kuneš, Frank M. F. de Groot
Published in: Physical Review B, Issue 98/3, 2018, ISSN 2469-9950
Publisher: APS
DOI: 10.1103/PhysRevB.98.035149

Suppression and revival of long-range ferromagnetic order in the multiorbital Fermi-Hubbard model

Author(s): Andrii Sotnikov, Agnieszka Cichy, Jan Kuneš
Published in: Physical Review B, Issue 97/23, 2018, ISSN 2469-9950
Publisher: APS
DOI: 10.1103/PhysRevB.97.235157

Continuum Charge Excitations in High-Valence Transition-Metal Oxides Revealed by Resonant Inelastic X-Ray Scattering

Author(s): Atsushi Hariki, Mathias Winder, Jan Kuneš
Published in: Physical Review Letters, Issue 121/12, 2018, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/PhysRevLett.121.126403

Re-examining the quadratic approximation in theory of a weakly interacting Bose gas with condensate: the role of nonlocal interaction potentials

Author(s): M S Bulakhov, A S Peletminskii, S V Peletminskii, Yu V Slyusarenko, A G Sotnikov
Published in: Journal of Physics B: Atomic, Molecular and Optical Physics, Issue 51/20, 2018, Page(s) 205302, ISSN 0953-4075
Publisher: Institute of Physics Publishing
DOI: 10.1088/1361-6455/aae061

Collective Modes in Excitonic Magnets: Dynamical Mean-Field Study

Author(s): D. Geffroy, J. Kaufmann, A. Hariki, P. Gunacker, A. Hausoel, J. Kuneš
Published in: Physical Review Letters, Issue 122/12, 2019, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.122.127601

Chemical pressure effect on the optical conductivity of the nodal-line semimetals ZrSi Y ( Y = S , Se , Te

Author(s): J. Ebad-Allah, J. Fernández Afonso, M. Krottenmüller, J. Hu, Y. L. Zhu, Z. Q. Mao, J. Kuneš, C. A. Kuntscher
Published in: Physical Review B, Issue 99/12, 2019, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/PhysRevB.99.125154

Pressure-induced spin-state ordering in Sr 2 CoO 3 F

Author(s): Juan Fernández Afonso, Andrii Sotnikov, Atsushi Hariki, Jan Kuneš
Published in: Physical Review B, Issue 99/20, 2019, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/physrevb.99.205118

Antiferromagnetism in RuO 2 as d -wave Pomeranchuk instability

Author(s): Kyo-Hoon Ahn, Atsushi Hariki, Kwan-Woo Lee, Jan Kuneš
Published in: Physical Review B, Issue 99/18, 2019, Page(s) 184432, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/physrevb.99.184432

Breaking of SU(4) symmetry and interplay between strongly correlated phases in the Hubbard model

Author(s): A. Golubeva, A. Sotnikov, A. Cichy, J. Kuneš, W. Hofstetter
Published in: Physical Review B, Issue 95/12, 2017, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/PhysRevB.95.125108

Excitonic magnetism in d 6 perovskites

Author(s): J. Fernández Afonso, J. Kuneš
Published in: Physical Review B, Issue 95/11, 2017, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/PhysRevB.95.115131

LDA+DMFT approach to core-level spectroscopy: Application to 3 d transition metal compounds

Author(s): Atsushi Hariki, Takayuki Uozumi, Jan Kuneš
Published in: Physical Review B, Issue 96/4, 2017, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/PhysRevB.96.045111

Sparse sampling and tensor network representation of two-particle Green's functions

Author(s): Hiroshi Shinaoka, Dominique Geffroy, Markus Wallerberger, Junya Otsuki, Kazuyoshi Yoshimi, Emanuel Gull, Jan Kuneš
Published in: SciPost Physics, Issue 8/1, 2020, ISSN 2542-4653
Publisher: SciPost Foundation, Inc.
DOI: 10.21468/scipostphys.8.1.012

Charge-transfer effect in hard x-ray 1s and 2p photoemission spectra: LDA plus DMFT and cluster-model analysis

Author(s): Ghiasi, M.; Hariki, A.; Winder, M.; Kunes, J.; Regoutz, A.; Lee, T-L; Hu, Y.; Rueff, J-P; de Groot, F. M. F.
Published in: Physical Review B , 100 (7) , Article 075146. (2019), Issue 6, 2019, ISSN 2469-9950
Publisher: APS

X-ray spectroscopy of the rare-earth nickelate LuNiO 3 : LDA + DMFT study

Author(s): Mathias Winder, Atsushi Hariki, Jan Kuneš
Published in: Physical Review B, Issue 102/8, 2020, ISSN 2469-9950
Publisher: APS
DOI: 10.1103/physrevb.102.085155

Ferromagnetism of LaCoO$_3$ films

Author(s): Andrii Sotnikov, Kyo-Hoon Ahn, Jan Kuneš
Published in: SciPost Physics, Issue 8/6, 2020, ISSN 2542-4653
Publisher: APS
DOI: 10.21468/scipostphys.8.6.082

Orbital ordering of ultracold alkaline-earth atoms in optical lattices

Author(s): Andrii Sotnikov, Nelson Darkwah Oppong, Yeimer Zambrano, Agnieszka Cichy
Published in: Physical Review Research, Issue 2/2, 2020, ISSN 2643-1564
Publisher: APS
DOI: 10.1103/physrevresearch.2.023188

Dynamical response and competing orders in two-band Hubbard model

Author(s): A. Niyazi, D. Geffroy, J. Kuneš
Published in: Physical Review B, Issue 102/8, 2020, ISSN 2469-9950
Publisher: APS
DOI: 10.1103/physrevb.102.085159

Damping of spinful excitons in LaCoO 3 by thermal fluctuations: Theory and experiment

Author(s): Atsushi Hariki, Ru-Pan Wang, Andrii Sotnikov, Keisuke Tomiyasu, Davide Betto, Nicholas B. Brookes, Yohei Uemura, Mahnaz Ghiasi, Frank M. F. de Groot, Jan Kuneš
Published in: Physical Review B, Issue 101/24, 2020, ISSN 2469-9950
Publisher: APS
DOI: 10.1103/physrevb.101.245162

LDA + DMFT approach to resonant inelastic x-ray scattering in correlated materials

Author(s): Atsushi Hariki, Mathias Winder, Takayuki Uozumi, Jan Kuneš
Published in: Physical Review B, Issue 101/11, 2020, ISSN 2469-9950
Publisher: APS
DOI: 10.1103/physrevb.101.115130

Other (1)

Metal-insulator transition in CaCu3Fe4O12

Author(s): A. Hariki, M. Winder, J. KUnes
Published in: 2019
Publisher: N/A