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cond-mat.other2006★ 3 cited
Calculation of optical-waveguide grating characteristics using Green's functions and the Dyson's equation
Lars Rindorf, Niels Asger Mortensen
We present a method for calculating the transmission spectra, dispersion, and time delay characteristics of optical-waveguide gratings based on Green's functions and Dyson's equati…
cond-mat.other2005
Universality in edge-source diffusion dynamics
N. A. Mortensen, F. Okkels, H. Bruus
We show that in edge-source diffusion dynamics the integrated concentration N(t) has a universal dependence with a characteristic time-scale tau=(A/P)^2 pi/(4D), where D is the dif…