R. R. Kessel, I. S. Donskaya, “Ising-type exchange interaction in two-level optical systems”, Pis'ma v Zh. Èksper. Teoret. Fiz., 2001, Volume 74, Issue 5,Pages <nobr>283

ATOMS, SPECTRA, RADIATIONS

Ising-type exchange interaction in two-level optical systems

R. R. Kessel, I. S. Donskaya

Zavoisky Physical Technical Institute, Kazan Scientific Center of the Russian Academy of Sciences

Abstract: It is shown that the indirect interaction of pseudospins via radiation field in a two-level optical system contains pseudospin energy components of the Ising exchange-interaction type. The conditions under which this interaction can show up in optical spectra are discussed.

PACS: 42.50.-p

Received: 13.06.2001
Revised: 08.08.2001