Home > Publications database > Mott transition, spin-orbit effects, and magnetism in Ca$_{2}$ RuO$_{4}$ > print |
001 | 835946 | ||
005 | 20240625095036.0 | ||
024 | 7 | _ | |a 10.1103/PhysRevB.95.075145 |2 doi |
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100 | 1 | _ | |a Zhang, Guoren |0 P:(DE-Juel1)144464 |b 0 |u fzj |
245 | _ | _ | |a Mott transition, spin-orbit effects, and magnetism in Ca$_{2}$ RuO$_{4}$ |
260 | _ | _ | |a Woodbury, NY |c 2017 |b Inst. |
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520 | _ | _ | |a In this work, we study the effects of spin-orbit and Coulomb anisotropy on the electronic and magnetic properties of the Mott insulator Ca$_{2}$ RuO$_{4}$. We use the local-density approximation + dynamical mean-field approach and spin-wave theory. We show that, contrary to a recent proposal, the Mott metal-insulator transition is not induced by the spin-orbit interaction. We confirm that, instead, it is mainly driven by the change in structure from long to short c-axis layered perovskite. We show that the magnetic ordering and the anisotropic Coulomb interactions play a small role in determining the the size of the gap. The spin-orbit interaction turns out to be essential for describing the magnetic properties. It not only results in a spin-wave gap, but it also enlarges significantly the magnon bandwidth. |
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700 | 1 | _ | |a Pavarini, Eva |0 P:(DE-Juel1)130881 |b 1 |e Corresponding author |u fzj |
773 | 1 | 8 | |a 10.1103/physrevb.95.075145 |b American Physical Society (APS) |d 2017-02-23 |n 7 |p 075145 |3 journal-article |2 Crossref |t Physical Review B |v 95 |y 2017 |x 2469-9950 |
773 | _ | _ | |a 10.1103/PhysRevB.95.075145 |g Vol. 95, no. 7, p. 075145 |0 PERI:(DE-600)2844160-6 |n 7 |p 075145 |t Physical review / B |v 95 |y 2017 |x 2469-9950 |
856 | 4 | _ | |u https://juser.fz-juelich.de/record/835946/files/PhysRevB.95.075145.pdf |y OpenAccess |
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