Abstract
We report the quasiparticle band structure and optical absorption spectrum of bulk LiBr calculated from first-principles approaches. The quasiparticle band structure is calculated within the GW approximation. Taking the electron-hole interaction into consideration, the optical excitation is investigated by solving the Bethe-Salpeter equation for the electron-hole two-particle Green’s function. The obtained results for the band gap and optical absorption spectrum are in good agreement with experimental measurements.
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Jiang, YF., Wang, NP. & Rohlfing, M. Quasiparticle band structure and optical spectrum of LiBr. Eur. Phys. J. B 86, 406 (2013). https://doi.org/10.1140/epjb/e2013-40520-6
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DOI: https://doi.org/10.1140/epjb/e2013-40520-6