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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representative citing papers
Superconductivity in twisted WSe2 evolves smoothly with twist angle and stays proximal to a presumed antiferromagnetic Fermi surface reconstruction, independent of Van Hove singularity or half band insulator.
First-principles calculations reveal three-dimensional flat bands in alternating twisted NbSe2 moiré bulk at small twist angles after large-scale relaxation, with out-of-plane mirror symmetry suggesting possible interlayer triplet superconducting pairing.
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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Angle evolution of the superconducting phase diagram in twisted bilayer WSe2
Superconductivity in twisted WSe2 evolves smoothly with twist angle and stays proximal to a presumed antiferromagnetic Fermi surface reconstruction, independent of Van Hove singularity or half band insulator.
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Three-dimensional flat bands and possible interlayer triplet pairing superconductivity in the alternating twisted NbSe$_2$ moir\'e bulk
First-principles calculations reveal three-dimensional flat bands in alternating twisted NbSe2 moiré bulk at small twist angles after large-scale relaxation, with out-of-plane mirror symmetry suggesting possible interlayer triplet superconducting pairing.