Electron-hole interaction and optical excitations in solids, surfaces, and polymers

Conference · Sat Mar 31 04:00:00 EST 2001

OSTI ID:805114

Louie, S G ^[1]

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1. LBNL Library

The optical properties of a variety of materials have been calculated using a recently developed ab initio method based on solving the Bethe-Salpeter equation of the two-particle Green's functions. Relevant self-energy and electron-hole interaction effects are included from first-principles. Results on selected semiconductors, insulators, surfaces, and conjugated polymers are discussed. In many of these systems, excitonic effects are shown to dramatically alter the excitation energies and the optical spectra.

• Research Organization: Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA (US)
• Sponsoring Organization: USDOE Director, Office of Science. Office of Basic Energy Studies. Materials Science and Engineering Division; National Science Foundation (US)
• DOE Contract Number: AC03-76SF00098
• OSTI ID: 805114
• Report Number(s): LBNL--48743; B& R KC0202030
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BETHE-SALPETER EQUATION
ELECTRONIC STRUCTURE
EXCITATION
OPTICAL PROPERTIES
POLYMERS
SELF-ENERGY
SPECTRA