Simulations of the optical properties of warm dense aluminum

Journal Article · Sat Jan 01 00:00:00 EST 2005 · Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics

DOI:https://doi.org/10.1103/PhysRevE.71.016409· OSTI ID:20641357

Mazevet, S; Collins, L A; Kress, J D; Magee, N H ^[1]; Desjarlais, M P ^[2]

---

1. Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)
2. Pulsed Power Sciences Center, Sandia National Laboratories, Albuquerque, New Mexico 87185 (United States)

Using quantum molecular dynamics simulations, we show that the optical properties of aluminum change drastically along the nonmetal metal transition observed experimentally. As the density increases and the many-body effects become important, the optical response gradually evolves from the one characteristic of an atomic fluid to the one of a simple metal. We show that quantum molecular dynamics combined with the Kubo-Greenwood formulation naturally embodies the two limits and provides a powerful tool to calculate and benchmark the optical properties of various systems as they evolve into the warm dense matter regime.

• OSTI ID: 20641357
• Journal Information: Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, Vol. 71, Issue 1; Other Information: DOI: 10.1103/PhysRevE.71.016409; (c) 2005 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1063-651X
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
36 MATERIALS SCIENCE
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ALUMINIUM
BENCHMARKS
DENSITY
MANY-BODY PROBLEM
MOLECULAR DYNAMICS METHOD
OPTICAL PROPERTIES
SIMULATION