Multiphoton transitions in direct-gap semiconductors |
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| Authors: | HS Brandi OL Malta |
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| Institution: | 1. Departamento de Física da UFPE Cidade Universitária - Recife - PE, 50000 - Brasil;2. Departamento de Física da PUC-RJ Rio de Janeiro, Cx.P. 38071, RJ-Brasil;3. Departamento de Química da UFPE Cidade Universitária - Recife - PE - 50000 Brasil |
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| Abstract: | Multiphoton transitions in direct-gap semiconductors are studied considering a “non-perturbative” approach in which the final state is represented by a Volkov wavefunction. Analytical solutions are obtained for multiphoton transition rates. The relation between multiphoton absorption and tunneling is discussed. |
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