Abstract
Sharply edged carrier density profiles, high in the conduction band of semiconductors, can induce absorption edge singularities similar to those found in X-ray spectra of metals, also known as “Mahan excitons”. These singularities, which have a power-law behavior, are the consequence of the interaction between the whole Fermi sea and the photocreated hole.
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C. Tanguy and M Combescot, submitted to Phys. Rev. B
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© 1997 Springer Science+Business Media New York
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Tanguy, C. (1997). Absorption Edge Singularities for a Nonequilibrium Fermi Sea. In: Di Bartolo, B., Kyrkos, S. (eds) Spectroscopy and Dynamics of Collective Excitations in Solids. NATO ASI Series, vol 356. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-5835-4_46
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DOI: https://doi.org/10.1007/978-1-4615-5835-4_46
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