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Electronic-Structure of the Semimetals Bi and Sb
(American Physical Society, 1995)
We have developed a third-neighbor tight-binding model, with spin-orbit coupling included, to treat the electronic properties of Bi and Sb. This model successfully reproduces the features near the Fermi surface that will ...
Response of GaAs to fast intense laser pulses
(American Physical Society, 1998)
Motivated by recent experiments, we have performed simulations which show in detail how the electrons and ions in GaAs respond to fast intense laser pulses (with durations of order 100 fs and intensities of order 1-10 ...
Second-order susceptibility from a tight-binding Hamiltonian
(American Physical Society, 1998)
Using a new formalism that modifies a tight-binding Hamiltonian to include interaction with a time-dependent electromagnetic field, we have obtained an analytical expression for the second-order susceptibility. This ...