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Attend a physics seminar exploring the fascinating intersection of quantum optics and condensed matter physics through the study of moiré exciton-polaritons in van der Waals heterostructures. Discover how Prof. Anvar Baimuratov from Skoltech demonstrates correlated magnetic phenomena in exciton-polaritons hosted by MoSe₂/WS₂ heterostructures under electron doping conditions. Learn about the experimental techniques used to electrostatically tune interactions between electrons and moiré excitons through field-effect gating while achieving strong light-matter coupling in an open cryogenic microcavity. Examine the remarkable nonlinear enhancement of the effective polariton Landé g-factor observed at filling fractions of approximately one electron per moiré site, which serves as a hallmark of correlated magnetism. Understand how cavity-controlled resonance tuning can modulate the photonic and excitonic contributions to these quantum phenomena. Explore the implications of this research for establishing moiré van der Waals heterostructures as a premier platform for investigating correlated phases of lattice-ordered charges and spins in the presence of strong light-matter coupling, opening new avenues for quantum materials research and potential applications in quantum technologies.
