High-resolution photoemission on Sr2RuO4 reveals correlation-enhanced effective spin-orbit coupling and dominantly local self-energies

Abstract

We explore the interplay of electron-electron correlations and spin-orbit coupling in the model Fermi liquid Sr2RuO4 using laser-based angle-resolved photoemission spectroscopy. Our precise measurement of the Fermi surface confirms the importance of spin-orbit coupling in this material and reveals that its effective value is enhanced by a factor of about two, due to electronic correlations. The self-energies for the $\beta$ and $\gamma$ sheets are found to display significant angular dependence. By taking into account the multi-orbital composition of quasiparticle states, we determine self-energies associated with each orbital component directly from the experimental data. This analysis demonstrates that the perceived angular dependence does not imply momentum-dependent many-body effects, but arises from a substantial orbital mixing induced by spin-orbit coupling. A comparison to single-site dynamical mean-field theory further supports the notion of dominantly local orbital self-energies, and provides strong evidence for an electronic origin of the observed non-linear frequency dependence of the self-energies, leading to `kinks' in the quasiparticle dispersion of Sr2RuO4.

arXiv commentPRX accepted

References in corpus (54)

• Maximally-localized generalized Wannier functions for composite energy bands
• Maximally-localized Wannier functions for entangled energy bands
• Evidence for ubiquitous strong electron-phonon coupling in high-temperature superconductors
• Strong electronic correlations from Hund's coupling
• TRIQS: A Toolbox for Research on Interacting Quantum Systems
• Wien2wannier: From linearized augmented plane waves to maximally localized Wannier functions
• Discovery of Orbital-Selective Cooper Pairing in FeSe
• Janus-faced influence of the Hund's rule coupling in strongly correlated materials
• Strong Peak in $T_c$ of Sr${}_2$RuO${}_4$ Under Uniaxial Pressure
• TRIQS/CTHYB: A Continuous-Time Quantum Monte Carlo Hybridization Expansion Solver for Quantum Impurity Problems
• The coherence-incoherence crossover and the mass-renormalization puzzles in Sr2RuO4
• Fermi Surface, Surface States, and Surface Reconstruction in Sr2RuO4
• Evidence for incommensurate spin fluctuations in Sr_2RuO_4
• How bad metals turn good: spectroscopic signatures of resilient quasiparticles
• Strong spin-orbit coupling effects on the Fermi surface of Sr2RuO4 and Sr2RhO4
• Upper limit on spontaneous supercurrents in Sr${}_2$RuO${}_4$
• Dynamical mean-field theory using Wannier functions: a flexible route to electronic structure calculations of strongly correlated materials
• TRIQS/DFTTools: A TRIQS application for ab initio calculations of correlated materials
• Detailed Topography of the Fermi Surface of Sr2RuO4
• Kinks in the dispersion of strongly correlated electrons
• Hidden quasi one-dimensional superconductivity in Sr${}_2$RuO${}_4$
• A facility for the analysis of the electronic structures of solids and their surfaces by synchrotron radiation photoelectron spectroscopy
• Enhanced Crystal Field Splitting and Orbital Selective Coherence by Strong Correlations in V_2O_3
• Spin-orbit splitting of the Shockley surface state on Cu(111)
• Photoemission Quasi-Particle Spectra of Sr${}_2$RuO${}_4$
• The role of spin-orbit coupling for the superconducting state in Sr_2RuO_4
• Coulomb-Enhanced Spin-Orbit Splitting: The Missing Piece in the Sr2RhO4 Puzzle
• Pairing symmetry and dominant band in Sr2RuO4
• Strain Control of Fermiology and Many-Body Interactions in Two-Dimensional Ruthenates
• Spin-Orbit Coupling and Electronic Correlations in Sr2RuO4
• The Fermi surface of Sr2RuO4: spin-orbit and anisotropic Coulomb interaction effects
• Thermopower and Entropy: lessons from Sr${}_2$RuO${}_4$
• Incommensurate magnetic ordering in Sr_2Ru_(1-x)Ti_xO_4
• Optical Response of Sr${}_2$RuO${}_4$ Reveals Universal Fermi-liquid Scaling and Quasiparticles Beyond Landau Theory
• Transport properties of Metallic Ruthenates: a DFT+DMFT investigation
• Spin fluctuations in Sr2RuO4 from polarized neutron scattering: implications for superconductivity
• High Resolution Angle Resolved Photoemission with Tabletop 11eV Laser
• Quantitative analysis of Sr2RuO4 ARPES spectra: Many-body interactions in a model Fermi liquid
• Direct penetration of spin-triplet superconductivity into a ferromagnet in Au/SrRuO3/Sr2RuO4 junctions
• Fermi surface and quasiparticle excitations of Sr${}_2$RhO${}_4$
• Identifying spin-triplet pairing in spin-orbit coupled multi-band superconductors
• Odd-frequency superconductivity in Sr${}_2$RuO${}_4$ measured by Kerr rotation
• Surface electronic structure of Sr2RuO4
• Electronic theory for the normal state spin dynamics in Sr${}_2$RuO${}_4$: anisotropy due to spin-orbit coupling
• Quasiparticle Interference and Strong Electron-Mode Coupling in the Quasi-One-Dimensional Bands of Sr${}_2$RuO${}_4$
• Orbital-differentiated coherence-incoherence crossover identified by photoemission spectroscopy in LiFeAs
• Poor Man's Understanding of Kinks Originating from Strong Electronic Correlations
• Emergent Collective Modes and Kinks in Electronic Dispersions
• Orbital selectivity of the kink in the dispersion of Sr2RuO4
• Lattice dynamics and electron-phonon coupling in Sr2RuO4
• Extremely correlated Fermi liquid theory meets Dynamical mean-field theory: Analytical insights into the doping-driven Mott transition
• Spin Density Wave Fluctuations and p-wave Pairing in Sr2RuO4
• Anisotropy of magnetic interactions and symmetry of the order parameter in unconventional superconductor Sr${}_2$RuO${}_4$
• High chemical activity of a perovskite surface: reaction of CO with Sr${}_3$Ru${}_2$O${}_7$

Cited by in corpus (104)

• Electronic structure of quantum materials studied by angle-resolved photoemission spectroscopy
• Tracking the Footprints of Spin Fluctuations: A MultiMethod, MultiMessenger Study of the Two-Dimensional Hubbard Model
• Stabilizing Even-Parity Chiral Superconductivity in Sr${}_2$RuO${}_4$
• Direct Observation of a Uniaxial Stress-driven Lifshitz Transition in Sr${}_2$RuO${}_4$
• Ground-state properties of the hydrogen chain: insulator-to-metal transition, dimerization, and magnetic phases
• Strongly correlated materials from a numerical renormalization group perspective: How the Fermi-liquid state of Sr${}_2$RuO${}_4$ emerges
• Evidence for even parity unconventional superconductivity in Sr${}_2$RuO${}_4$
• Reduction of the spin susceptibility in the superconducting state of Sr2RuO4 observed by polarized neutron scattering
• Universal Optical Control of Chiral Superconductors and Majorana Modes
• Magnetic response of Sr${}_2$RuO${}_4$: quasi-local spin fluctuations due to Hund's coupling
• A key role of correlation effects in the Lifshitz transition in Sr${}_2$RuO${}_4$
• Dynamical Mean Field Studies of Infinite Layer Nickelates: Physics Results and Methodological Implications
• Superconducting state of Sr${}_2$RuO${}_4$ in the presence of longer-range Coulomb interactions
• Superconducting order of ${\mathrm{Sr}}_2{\mathrm{RuO}}_4$ from a three-dimensional microscopic model
• Imaginary-time matrix product state impurity solver in a real material calculation: Spin-orbit coupling in Sr${}_2$RuO${}_4$
• Electronically driven spin-reorientation transition of the correlated polar metal Ca${}_3$Ru${}_2$O${}_7$
• Sr${}_2$MoO${}_4$ and Sr${}_2$RuO${}_4$: Disentangling the Roles of Hund's and van Hove Physics
• Theory of Strain-Induced Magnetic Order and Splitting of $T_c$ and $T_{\mathrm{TRSB}}$ in Sr${}_2$RuO${}_4$
• Group-theoretic classification of superconducting states of Strontium Ruthenate
• Relativistic Self-Consistent $GW$: Exact Two-Component Formalism with One-Electron Approximation for Solids
• Shadowed triplet pairings in Hund's metals with spin-orbit coupling
• Spin-orbit coupling and spin-triplet pairing symmetry in $\mathrm{S}{\mathrm{r}}_2\mathrm{Ru}{\mathrm{O}}_4$
• Quasiparticle Interference of the van-Hove singularity in Sr${}_2$RuO${}_4$
• Determination of the Fermi surface and field-induced quasi-particle tunneling around the Dirac nodal-loop in ZrSiS
• Higher angular momentum pairings in interorbital shadowed-triplet superconductors: Application to Sr${}_2$RuO${}_4$
• Real-space cluster dynamical mean-field theory: Center focused extrapolation on the one- and two particle level
• Evidence of hot and cold spots on the Fermi surface of LiFeAs
• Inter-orbital singlet pairing in Sr${}_2$RuO${}_4$: a Hund's superconductor
• Superconductivity in Correlated Multi-Orbital Systems with Spin-Orbit Coupling: Coexistence of Even- and Odd-Frequency Pairing and the Case of Strontium Ruthenate
• Differentiating Hund from Mott physics in a three-band Hubbard-Hund model: Temperature dependence of spectral, transport, and thermodynamic properties
• Tree tensor-network real-time multiorbital impurity solver: Spin-orbit coupling and correlation functions in Sr${}_2$RuO${}_4$
• Combining Electron-Phonon and Dynamical Mean-Field Theory Calculations of Correlated Materials: Transport in the Correlated Metal Sr${}_2$RuO${}_4$
• Leading superconducting instabilities in three-dimensional models for Sr2RuO4
• Distinct reduction of Knight shift in superconducting state of Sr${}_2$RuO${}_4$ under uniaxial strain
• Interplay between spin-orbit coupling and van Hove singularity in the Hund's metallicity of Sr${}_2$RuO${}_4$
• divERGe implements various Exact Renormalization Group examples
• Constraints on the superconducting state of Sr${}_2$RuO${}_4$ from elastocaloric measurements
• Origin of the anomalous Hall effect in two-band chiral superconductors
• Orbital Selective Mott Transition Effects and Non-Trivial Topology of Iron Chalcogenide
• Compass-like manipulation of electronic nematicity in Sr${}_3$Ru${}_2$O${}_7$
• BaOsO${}_3$: A Hund's metal in the presence of strong spin-orbit coupling
• Uncovering Non-Fermi-Liquid Behavior in Hund Metals: Conformal Field Theory Analysis of an SU(2)$\times$SU(3) Spin-Orbital Kondo Model
• Strongly correlated exciton-polarons in twisted homo-bilayer heterostructures
• Signature of PT-symmetric non-Hermitian superconductivity in angle-resolved photoelectron fluctuation spectroscopy
• Dynamical Mean-Field Theory of Strongly Correlated Electron Systems
• The fate of quasiparticles at high-temperature
• Expanding the momentum field of view in angle-resolved photoemission systems with hemispherical analyzers
• In-plane magnetic penetration depth in Sr${}_2$RuO${}_4$: muon-spin rotation/relaxation study
• Hierarchy of Lifshitz transitions in the surface electronic structure of Sr${}_2$RuO${}_4$ under uniaxial compression
• On the Spatial Locality of Electronic Correlations in LiFeAs
• Accuracy of ghost-rotationally-invariant slave-boson theory for multiorbital Hubbard models and realistic materials
• A microscopic Ginzburg--Landau theory and singlet ordering in Sr${}_2$RuO${}_4$
• Higher angular momentum pairing states in Sr${}_2$RuO${}_4$ in the presence of longer-range interactions
• Electronic structure of the highly conductive perovskite oxide SrMoO${}_3$
• Inter-orbital p- and d-wave pairings between $d_{xz/yz}$ and $d_{xy}$ orbitals in Sr${}_2$RuO${}_4$
• Origin of the different electronic structure of Rh- and Ru-doped Sr2IrO4
• Quasiparticle characteristics of the weakly ferromagnetic Hund's metal MnSi
• Electronic Structure and Magnetism of the Triple-layered Ruthenate Sr${}_4$Ru${}_3$O${}_{10}$
• Degeneracy between even- and odd-parity superconductivity in the quasi-1D Hubbard model and implications for Sr2RuO4
• Conditions for orbital selective altermagnetism in Sr${}_2$RuO${}_4$: tight binding model, similarities with cuprates and implications on superconductivity
• Fermi surface and kink structures in Sr${}_4$Ru${}_3$O${}_{10}$ revealed by synchrotron-based ARPES
• Correlated electron metal properties of the honeycomb ruthenate Na${}_2$RuO${}_3$
• Dual Bethe-Salpeter equation for the multi-orbital lattice susceptibility within dynamical mean-field theory
• Theoretical analysis of single-ion anisotropy in $d^3$ Mott insulators
• Direct detection of odd-frequency superconductivity via time- and angle-resolved photoelectron fluctuation spectroscopy
• Hund bands in spectra of multiorbital systems
• Possible two-component spin-singlet pairings in Sr2RuO4
• Effects of orbital selective dynamical correlation on the spin susceptibility and superconducting symmetries in Sr${}_2$RuO${}_4$
• Signatures of Hund Metal and finite-frequency nesting in Sr${}_2$RuO${}_4$ Revealed by Electronic Raman Scattering
• Orbital dichotomy of Fermi liquid properties in Sr${}_2$RuO${}_4$ revealed by Raman spectroscopy
• Magic angle of Sr${}_2$RuO${}_4$: Optimizing correlation-driven superconductivity
• Quasi-particle functional Renormalisation Group calculations in the two-dimensional half-filled Hubbard model at finite temperatures
• Tunable electronic and magnetic phases in layered ruthenates: SrRuO3-SrTiO3 heterostructure upon strain
• Enhanced Spin-Orbit Coupling in a Correlated Metal
• Propagating charge carrier plasmon in Sr2RuO4
• Second-order phase transitions and divergent linear response in dynamical mean-field theory
• Multilayer engineering of CaVO${}_3$ thin films with SrTiO${}_3$ and LaAlO${}_3$ from DFT+DMFT
• Uniaxial stress effect on the electronic structure of quantum materials
• Nonlocal electrodynamics and the penetration depth of superconducting Sr${}_2$RuO${}_4$
• Negatively enhanced thermopower near a Van Hove singularity in electron-doped Sr${}_2$RuO${}_4$
• High-pressure synthesis of Ba${}_2$RhO${}_4$, a rhodate analogue of the layered perovskite Sr-ruthenate
• Electronic band structure of (111) $SrRu{O}_3$ thin film$-$an angle-resolved photoemission spectroscopy study
• Electronic structure of 2D van der Waals crystals and heterostructures investigated by spatially- and angle-resolved photoemission
• Strontium Ferrite Under Pressure: Potential Analogue to Strontium Ruthenate
• Carrier filtering effect for enhanced thermopower in a body-centered tetragonal ruthenate
• Finite-momentum and field-induced pairings in orbital-singlet spin-triplet superconductors
• Anomalous Fermi pockets on Hund's metal surface of Sr2RuO4 induced by the correlation-enhanced spin-orbit coupling
• The rich phase diagram of the prototypical iridate Ba${}_2$IrO${}_4$: Effective low-energy models and metal-insulator transition
• Photoemission and Dynamical Mean Field Theory Study of Electronic Correlation in a $t_{2g}^5$ Metal of SrRhO${}_3$ Thin Film
• Layer-dependent spin-resolved electronic structure of ferromagnetic triple-layered ruthenate Sr${}_4$Ru${}_3$O${}_{10}$
• Staggered Dzyaloshinskii-Moriya and canting angle in centrosymmetric altermagnetic and ferromagnetic phases: influence on the anomalous Hall effect and Weyl points
• Distinguishing $d_{xz}+i{d}_{yz}$ and $d_{x^2-y^2}$ pairing in $S{r}_{2}Ru{O}_4$ by high magnetic field H-T phase diagrams
• Frequency-Dependent Superconducting States From the Two-Time Linear Response Theory: Application To Sr${}_2$RuO${}_4$
• Site-polarized Mott phases competing with a correlated metal in twisted WSe${}_2$
• Single-particle spectra and magnetic susceptibility in the Emery model: a dynamical mean-field perspective
• Finite Temperature Minimal Entangled Typical Thermal States Impurity Solver
• Competing spin-fluctuations in Sr${}_2$RuO${}_4$ and their tuning through epitaxial strain
• Ultrasonic Observation of Slowing Down of Multipole Fluctuations in Sr${}_2$RuO${}_4$
• Real-space orbital tiling approach for the design of novel superconductors
• Anisotropic scattering rates in strain-tuned Sr${}_2$RuO${}_4$
• Beyond Homes scaling: disorder, the Planckian bound and a new universality
• Comparing the effective enhancement of local and non-local spin-orbit couplings on honeycomb lattices due to strong electronic correlations
• Strong effects of thermally induced low-spin-to-high-spin crossover on transport properties of correlated metals
• Emergent surface resonance from charge density wave symmetry breaking in TiSe2