Ground state resonance structure calculated by density functional theory for estimating the dielectric response of the high explosive PETN

A. Shabaev; S. G. Lambrakos; N. Bernstein; V. L. Jacobs; D. Finkenstadt

doi:10.1117/12.883279

25 May 2011 Ground state resonance structure calculated by density functional theory for estimating the dielectric response of the high explosive PETN

A. Shabaev, S. G. Lambrakos, N. Bernstein, V. L. Jacobs, D. Finkenstadt

Author Affiliations +

Proceedings Volume 8023, Terahertz Physics, Devices, and Systems V: Advance Applications in Industry and Defense; 80230W (2011) https://doi.org/10.1117/12.883279
Event: SPIE Defense, Security, and Sensing, 2011, Orlando, Florida, United States

Abstract

We present calculations of ground state resonance structure associated with the high explosive PETN using density functional theory (DFT), which is for the construction of parameterized dielectric response functions for excitation by electromagnetic waves at compatible frequencies. These dielectric functions provide for different of types of analyses concerning the dielectric response of explosives. In particular, these dielectric response functions provide quantitative initial estimates of spectral response features for subsequent adjustment with respect to additional information such as laboratory measurements and other types of theory based calculations. With respect to qualitative analysis, these spectra provide for the molecular level interpretation of response structure. The DFT software NRLMOL was used for the calculations of ground state resonance structure presented here.

Citation Download Citation

A. Shabaev, S. G. Lambrakos, N. Bernstein, V. L. Jacobs, and D. Finkenstadt "Ground state resonance structure calculated by density functional theory for estimating the dielectric response of the high explosive PETN", Proc. SPIE 8023, Terahertz Physics, Devices, and Systems V: Advance Applications in Industry and Defense, 80230W (25 May 2011); https://doi.org/10.1117/12.883279

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