Derives compact closed-form expressions and recurrence relations for free-particle Green's function matrix elements over spherical Gaussian and plane-wave-modulated Gaussian basis sets via Fourier transforms and harmonic polynomial addition theorems.
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Free-particle Green's function matrix elements over spherical Gaussian and plane-wave-modulated Gaussian basis functions
Derives compact closed-form expressions and recurrence relations for free-particle Green's function matrix elements over spherical Gaussian and plane-wave-modulated Gaussian basis sets via Fourier transforms and harmonic polynomial addition theorems.