A new real-space linear-scaling Bethe-Salpeter framework with sublattice-resolved decoupling and Kernel Polynomial Method enables O(N) excitonic absorption spectra for Anderson-disordered hBN, showing asymmetric broadening, redshift crossover, and exciton localization.
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cond-mat.mtrl-sci 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
An analytic continuation method builds Bethe-Salpeter spectra in selected energy ranges from polarizability tensors sampled at a few complex frequencies via matrix-valued continued fractions.
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Excitons in Large Disordered Boron-Nitride Layer using Linear-Scaling Bethe-Salpeter Simulations
A new real-space linear-scaling Bethe-Salpeter framework with sublattice-resolved decoupling and Kernel Polynomial Method enables O(N) excitonic absorption spectra for Anderson-disordered hBN, showing asymmetric broadening, redshift crossover, and exciton localization.
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Efficient analytic continuation approach to Bethe-Salpeter excitation spectra in selected energy windows
An analytic continuation method builds Bethe-Salpeter spectra in selected energy ranges from polarizability tensors sampled at a few complex frequencies via matrix-valued continued fractions.