Spectral Properties of Quasiparticles in Silicon: A test of Many-body Theory
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Kheifets, Anatoli
Sashin, Vladimir
Vos, Maarten
Weigold, Erich
Aryasetiawan, Ferdi
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American Physical Society
Abstract
The spectral function A(q,ω) of silicon has been measured along a number of symmetry directions using high-energy high-resolution electron momentum spectroscopy. It is compared with first-principles calculations based on the interacting one-electron Gree
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Physical Review B