Titlebook: Excitonic Processes in Solids; Masayasu Ueta,Hiroshi Kanzaki,Eiichi Hanamura Textbook 1986 Springer-Verlag Berlin Heidelberg 1986 Absorpti

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L. Rodríguez-Hahn,B. Esquivel,J. Cárdenasdepends on the electronic band structure of the material. For example, it depends on whether the lowest band-to-band transition is direct or indirect (in many-valley structure) in the wave-vector space and whether the direct transition is dipole-allowed or -forbidden and the indirect one is phonon-allowed or -forbidden.

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Theoretical Aspects of Excitonic Molecules,depends on the electronic band structure of the material. For example, it depends on whether the lowest band-to-band transition is direct or indirect (in many-valley structure) in the wave-vector space and whether the direct transition is dipole-allowed or -forbidden and the indirect one is phonon-allowed or -forbidden.

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NGN Standardization as a Strength standards bodies and highlights their main "products", such as the Next Generation Network on the fixed side for ETSI TISPAN or 3GPP Release 5 and later for the mobile side. Some explanations are also given on how these bodies work together - or sometimes against each other.