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Beyond Electric-Dipole Treatment of Light-Matter Interactions in Materials: Nondipole Harmonic Generation in Bulk Si

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arxiv 2410.18547 v1 pith:AHX236ZO submitted 2024-10-24 cond-mat.mtrl-sci cond-mat.mes-hallphysics.optics

classification cond-mat.mtrl-scicond-mat.mes-hallphysics.optics
keywords nondipolegenerationharmonicbeyondelectric-dipolelight-mattermaterialsaccurate
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A beyond electric-dipole light-matter theory is needed to describe emerging X-ray and THz applications for characterization and control of quantum materials but inaccessible as nondipole lattice-aperiodic terms impede on the use of Bloch's theorem. To circumvent this, we derive a formalism that captures dominant nondipole effects in intense electromagnetic fields while conserving lattice translational symmetry. Our approach enables the first accurate nondipole first-principles microscopic simulation of nonperturbative harmonic generation in Si. We reveal nondipole-induced transverse currents generating perturbative even-ordered harmonics and display the onset of nondipole high harmonic generation near the laser damage threshold.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Multimodal Referring Segmentation: A Survey

    cs.CV 2025-08 unverdicted novelty 4.0 of 10

    The abstract describes a computer vision survey, while the body is an unrelated high-harmonic-generation physics manuscript, making the claimed survey unavailable for evaluation.

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