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… cluster contribution to the optical conductivity obeys  T sigma'(omega,T) ~ tanh(x/2)/x, implying a 1/T cluster dc-conductivity. In the scaling regime, the …

… I will present calculations of XMCD spectra for selected materials, including MnTe, Fe2O3, NiF2, MnF2, and BiFeO3. The theoretical analysis combines DFT+DMFT calculations, which account for …

… principles of XMCD spectroscopy, I will present calculations of XMCD spectra for selected materials, including MnTe, Fe2O3, NiF2, MnF2, and BiFeO3. The theoretical analysis combines DFT+DMFT …

… low‑energy polarization channels and stabilizes a paramagnetic Mott insulator with Hubbard bands and a gap consistent with PES/XAS, capturing the paramagnetic insulating state that previous …

Abstract Density functional theory (DFT) relies critically on exchange–correlation (XC) functionals, whose exact form is unknown. In practice, approximations are constructed within a hierarchical framework—Jacob’s …

… – 11:10 AM Efthimios Kaxiras (Harvard University) Electronic states in twisted bilayer graphene from first principles and implications for correlated-electron behavior 11:10 – 11:50 AM …

Abstract I will discuss the problem of the fate of a mobile fluid of anyons obtained by doping fractional quantum anomalous Hall states. Building on old ideas on …

… cutting on IQM quantum hardware for up to 11 ghost orbitals (24 qubits). We report converged gGut calculations that capture the metal-to-insulator transition in the …

Abstract I shall present a new approach for engineering fractional quantum Hall (FQH) states in cold atoms, overcoming the limitations of current methods. By introducing a simple scalar …

… then show how this acceleration enables high-throughput DFT+DMFT calculations for Fe at Earth’s core conditions, training of a neural-network interatomic potential from DFT …

Abstract In strongly correlated electron systems, Coulomb interactions often manifest through the spontaneous reduction of rotational symmetry in emergent electronic phases. Understanding how such symmetry breaking intertwines with …

… attempt to approximately address multi-orbital impurities within a mixed configuration approximation [3]. Enrico Arrigoni: Nonequilibrium DMFT impurity solver via the Auxiliary Master Equation Approach: functional interpolation …

Talk 1: Can quantum computers outperform classical ones for solving impurity models? Thomas Ayral, Eviden Quantum Lab Quantum computers hold the promise to outperform classical ones for certain …

… the FeX4 tetrahedron and the EPC for the A1g phonon mode is maximized for the FeSe film. Our findings reveal a significant role of electronic correlations in …

Title: Chiral Superconductivity at Topological Phase Transitions: Field Theories and DMRG Abstract: Two-dimensional moire systems have realized a panoply of fractionalized states and superconductivity. As in the …

Title: Correlation and Collaboration: Strategies to design functionals Abstract: The use of functionals of compact quantities, such as Green’s functions, the onebody reduced density matrix, or the …

… governed by the QCP, where we find non-Fermi liquid behavior with strange-metal-like features such as a linear-in-T resistivity, dynamical scaling, and a …

… Ruggenthaler & Markus Penz: Properties of the Pauli-Fierz Hamiltonian and Mathematical Details of Ab Initio Quantum Physics (Including Exercises) October 1, 2025 Simone Latini: Theoretical Perspective of …

… condensed-matter physics. Leading experts at forefront of ab initio QED development will be in charge of the dissemination. The scope of this school is unique, it …

Agenda Wednesday, September 25 Time Speaker 8:30 a.m. – 9:00 a.m. BREAKAST 9:00 a.m. – 9:30 a.m. WelcomeAntoine Georges 9:30 a …

… AM Break 11:00 – 11:30 AM Lucia Reining (Ecole Polytechnique / CNRS) Excitons in absorption and loss spectroscopies: an old topic, new effects 11:30 AM – 12 …

Title: Fractionalized Femi Liquid (FL) Theory of the Cuprate Pseudogap, and its Connections to the Cuprate Phase Diagram Abstract: The pseudogap metal phase of the cuprate high-temperature …

… Metals 5:00 – 6:30 PM Dinner Friday, September 12 8:00 – 9:00 AM Breakfast 9:00 – 9:50 AM Ronny Thomale (University of Wurzburg) Model …

… Many-Body Perturbation Theory Lecture Hugo Strand 10:00 – 10:30 AM Break 10:30 AM – 12:00 PM Dynamical Mean-Field Theory II Lecture Antoine Georges …

… (ETH Zurich), Prineha Narang (UCLA) and Nick Rivera (Cornell) July 14, 2025 Javad Shabani: Superconductivity in crystalline Ge July 14, 2025 Mohammed Hafezi: Quantum optical probe and …

… enhancement, reflected in the real part of the Hedin vertex, requires strong local correlations from DMFT as well as nonlocal correlations in multiple two-particle channels from …

… monolayers. Our work demonstrates how the combination of time-resolved spectroscopy and advanced theoretical modeling provides insights into the physics of correlated transition metal dichalcogenides.

… heavy fermions in LiV2O4 3:30 – 4:30 PM Coffee & Discussion 4:30 – 5:00 PM Anna Galler Correlation effects in two-dimensional charge density wave materials …

… ab-initio results and tight-binding models 5:00 – 7:30 PM Dinner Friday, May 30 8:30 – 9:30 AM Breakfast & Check In 9:30 – 10 …

Title: Topological Criticality and Anyon Superconductivity: Routes to Beyond BCS Superconductors Abstract: I will discuss two general ideas – quantum criticality between topological phases and anyon superconductivity – which provide …

Talk 1: Solving the dynamics of quantum impurities with a few-body revealing approach Serge Florens, Néel Institute Simulating precisely the non-equilibrium dynamics of quantum impurities is …

… 10:55 AM Break 10:55 – 11:15 AM Yiping Wang (Columbia University) Non-equilibrium view of correlated phases in moiré 11:15 AM – 12:00 PM …

Title: Exploring Quantum Computing Frontier with Programmable Atom Arrays Abstract: In this talk, we will discuss recent advances in realizing programmable quantum systems using neutral atom arrays excited …

… of the Anderson impurity model. The central idea is to use an SOE expansion of the hybridization function to separate variables, decomposing the multiple integrals into sequences …

Title: Local Probes of Correlated Matter in Atomic and Molecular Quantum Simulators Abstract: Exploring emergent behaviors in strongly interacting quantum systems is a frontier area. I will resent …

Title: Light-Induced Orderings that Oscillate in Space and in Time Abstract: The control and design of quantum materials are outstanding goals both to address fundamental questions and …

… identify and quantitatively analyze two competing mechanisms for the crossover between coherent oscillations and incoherent decay. Deep in the sub-Ohmic regime, the crossover is driven by …

… the ground state/energy gap of the d=1 Bethe ansatz solution is already present at n = 8. The convergence to Hubbard, which scales as 1/n2 …

… Bilayer Graphene: Correlated Gaps and Pairing January 13, 2025 Roser Valenti: Heavy Fermions vs. Doped Mott Physics in Heterogeneous Ta-Dichalcogenides Bilayers

… 16, 2024 Yuka Murakami – Numerical Exploration of High-Harmonic Generation in Strongly Correlated Systems December 16, 2024 Hebert F. Fotso – Disorder in the nonequilibrium dynamics of a …

… perovskites (DP) of heavy transition metals exhibit exotic “hidden”-order low-temperature ordered phases as well as unusual “conventional” magnetic orders and excitations. Those orders arise due …