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Anomalous mode structure of a radiation–exciton coupled system beyond the long-wavelength approximation regime

PhotonicsAnomalous Mode StructureCharge ExcitationsEngineeringPhysicsLong-wavelength Approximation RegimeApplied PhysicsCondensed Matter PhysicsQuantum MaterialsAtomic PhysicsHigh-frequency ApproximationNonlinear ResonanceWave Interference