When a Brownian object interacts with noninteracting gas particles under nonequilibrium conditions, energy dissipation associated with Brownian motion causes an additional force on the object as a "momentum transfer deficit." This principle is demonstrated first by a new nonequilibrium steady state model and then applied to several known models such as an adiabatic piston for which a simple exp...

We discuss the scattering of supersymmetric dark matter particles from nuclei at nonzero momentum transfer, After a brief treatment of spin-independent form factors, we carefully formulate the spin-dependent scattering problem. We conclude with a calculation of a spin-dependent cross section in t3tXe; it falls as the momentum transfer increases, but more slowly than the spinindependent cross se...

A vector mesonic correction to the deuteron form factors is considered which is analogous to the Glauber double scattering , process D This correction dominates the form factors at large , momentum transfer 0 A fit to the static magnetic moment of the deuteron yields a satisfactory fit to the magnetic scattering at large momentum transfer. (Submitted to Phys. Rev.)

Momentum transfer due to electron-electron interaction (Coulomb drag) between two quantum wells, separated by a distance d, in the presence of a perpendicular magnetic field, is studied at low temperatures. We find besides the well known Shubnikov-de Haas oscillations, which also appear in the drag effect, the momentum transfer is markedly enhanced by the magnetic field.

We show that multiple scattering of the electron (i.e., two-photon exchange) in electron-deuteron elastic scattering leads to a small component in the cross section, which decreases very slowly with momentum transfer, and may dominate the cross section at high momentum transfer.

The present status of applications of perturbative QCD to large momentum transfer exclusive reactions is discussed. It is argued that in the region of momentum transfer accessible to present day experiments soft contributions dominate the exclusive processes. Invited talk presented at the SPIN95 Conference, Protvino (1995) SPIN EFFECTS IN HARD EXCLUSIVE REACTIONS

Transport phenomena, including mass, momentum and heat transfer and the coupling of transport and chemical reactions, play a dominant role in chemical engineering processes. For example, a distillation process in a packed column involves fluid flow (momentum transfer) of liquid and vapor phases, mass transfer within a homogeneous phase and on the liquid and vapor interface, and heat transfer wi...