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Updated: Jul 11, 2026

Proton Transfer and Protein Conformation Dynamics in Photosensitive Proteins by Time-resolved Step-scan Fourier-transform Infrared Spectroscopy
Published on: June 27, 2014
Electron optical phase-shifts by Fourier methods: analytical versus numerical calculations
P F Fazzini1, G Pozzi, M Beleggia
1Department of Physics and Istituto Nazionale per la Fisica della Materia, University of Bologna, Viale B. Pichat 6/2, 40127 Bologna, Italy. fazzini@bo.imm.cnr.it
Abstract:
The theoretical framework for the computation of electromagnetic fields and electron optical phase-shifts in Fourier space has been recently applied to objects with long-range fringing fields, such as reverse-biased p-n junctions and magnetic stripe domains near a specimen edge. In addition to new analytical results, in this work, we present a critical comparison between numerical and analytical computations. The influence of explicit and implicit boundary conditions on the phase shifts and phase-contrast images is also investigated in detail.
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