Geometric optics with atomic beams scattered by a detuned standing laser wave

We report on theoretical and numerical study of propagation of atomic beams crossing a detuned standing-wave laser beam in the geometric optics limit. The interplay between external and internal atomic degrees of freedom is used to manipulate the atomic motion along the optical axis by light. By adjusting the atom-laser detuning, we demonstrate how to focus, split and scatter atomic beams in a real experiment. The novel effect of chaotic scattering of atoms at a regular near-resonant standing wave is found numerically and explained qualitatively. Some applications of the effects found are discussed

IMMUNITY AND LYMPHOCYTE-PLATELET ADHESION IN DIFFUSE TOXIC GOITER

In patients with diffuse toxic goiter (DTG), relative numbers of CD4+, CD8+ lymphocytes, activated T-lymphocytes (CD3+HLA-DR+) proved to be increased, whereas absolute contents of T-independent (CD3-CD16+CD56+), and T-dependent (CD3+CD16+CD56+) NK-cells were found to be decreased. Moreover, IgA and IgM levels were decreased among DTG patients. In most DTG cases, amounts of lymphocyte-to-platelet agregates were sharply decreased. Studying parameters of immunogram, lymphocyte-platelet adhesion allows of assessing specific changes of adaptive immune response in diffuse toxic goiter