Optical to UV spectra and birefringence of SiO$_2$ and TiO$_2$: First-principles calculations with excitonic effects

Autor: Lawler, H. M., Rehr, J. J., Vila, F., Dalosto, S. D., Shirley, E. L., Levine, Z. H.

A first principles approach is presented for calculations of optical -- ultraviolet (UV) spectra including excitonic effects. The approach is based on Bethe-Salpeter equation calculations using the \textsc{NBSE} code combined with ground-state densit

Externí odkaz: http://arxiv.org/abs/0807.1920

Ab initio calculations of mean free paths and stopping powers

Autor: Sorini, A. P., Kas, J. J., Rehr, J. J., Prange, M. P., Levine, Z. H.

A method is presented for first-principles calculations of inelastic mean free paths and stopping powers in condensed matter over a broad energy range. The method is based on {\it ab initio} calculations of the dielectric function in the long wavelen

Externí odkaz: http://arxiv.org/abs/cond-mat/0605135

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Calibration of High-Resolution X-Ray Tomography With Atomic Force Microscopy.

Autor: Kalukin AR; Rensselaer Polytechnic Institute, Troy, NY 12180-3590; National Institute of Standards and Technology, Gaithersburg, MD 20899-8410., Winn B; State University of New York at Stony Brook, Stony Brook, NY 11794., Wang Y; State University of New York at Stony Brook, Stony Brook, NY 11794., Jacobsen C; State University of New York at Stony Brook, Stony Brook, NY 11794., Levine ZH; National Institute of Standards and Technology, Gaithersburg, MD 20899-0001., Fu J; National Institute of Standards and Technology, Gaithersburg, MD 20899-0001.

Publikováno v: Journal of research of the National Institute of Standards and Technology [J Res Natl Inst Stand Technol] 2000 Dec 01; Vol. 105 (6), pp. 867-74. Date of Electronic Publication: 2000 Dec 01 (Print Publication: 2000).