Contribution of drifting carriers to the Casimir-Lifshitz and Casimir-Polder interactions with semiconductor materials.
We develop a theory for Casimir-Lifshitz and Casimir-Polder interactions with semiconductor or insulator surfaces that takes into account charge drift in the bulk material through use of the classical Boltzmann equation. We derive frequency-dependent dispersion relations that give the usual Lifshitz results for dielectrics as a limiting case and, in the quasistatic limit, coincide with those recently computed to account for Debye screening in the thermal Lifshitz force with conducting surfaces with small density of carriers.
Dalvit
Diego A R
DA
Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA.
Lamoreaux
Steve K
SK