TRANSFER OF CORRELATIONS FROM SQUEEZED STATES OF RADIATION TO ATOMS IN A GENERALIZED JAYNES-CUMMINGS MODEL

The correlations between two atoms in a generalized two-mode Jaynes-Cu mmings model (JCM), in the presence of a two-mode squeezed state, are studied. It is found that for a small amount of initial squeezing the correlations go back and forth between the radiation and the atoms. Fo r large initial squeezing the atoms are found to be highly correlated at all times, while the squeezing of the radiation is destroyed as a f unction of time. In addition, the squeezing of the field is studied in the two-mode JCM and is compared to the one-mode squeezing that is ob tained for the ordinary JCM. It is found that in the two-mode model th e squeezing is preserved for longer times under the condition that g1 and g2 (the two coupling constants) are almost equal.