A Wigner crystal on helium shows nonlinear velocity saturation at 150 MHz, explained by Bragg-Cherenkov coupling to higher-order ripplon overtones.
Wigner, Phys
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Self-doped Wigner crystals arise from preempted band-inversion transitions between commensurate crystals, as established by non-perturbative arguments and Hartree-Fock calculations in jellium and rhombohedral graphene models.
MR-GW generalizes the GW approximation via a diagrammatic framework with an interacting multi-reference reference and multi-reference RPA to capture both strong and weak correlations, improving ionization potentials and many-body satellites.
citing papers explorer
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High-frequency nonlinear conductivity of a Wigner crystal
A Wigner crystal on helium shows nonlinear velocity saturation at 150 MHz, explained by Bragg-Cherenkov coupling to higher-order ripplon overtones.
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Self-doped Crystal from Preempted Band-inversion Transitions
Self-doped Wigner crystals arise from preempted band-inversion transitions between commensurate crystals, as established by non-perturbative arguments and Hartree-Fock calculations in jellium and rhombohedral graphene models.
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Multi-reference GW approximation for strongly correlated molecules
MR-GW generalizes the GW approximation via a diagrammatic framework with an interacting multi-reference reference and multi-reference RPA to capture both strong and weak correlations, improving ionization potentials and many-body satellites.