Excitonic susceptibility of semiconducting crystals influenced by a uniform electric field |
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| Authors: | G Czajkowski |
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| Institution: | (1) Souola Normale Superiore, Pisa, Italia;(2) Present address: Academy of Technology and Agriculture, PL 85 790 Bydgoszcz, Poland |
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| Abstract: | Summary The Stahl’s polariton equations for crystals, influenced by a uniform electric field, can be solved by means of an appropriate
Green’s function. The Green’s function is calculated for the half-space geometry and the field directed along the z-axis.
Using its asymptotic form a formula for the excitonic susceptibility is derived. |
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| Keywords: | Excitons and related phenomena (including electron-hole drops) |
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